Update libc crate to 0.2.66

This change updates the libc crate to version 0.2.66.

Import subrepo libc/:libc at 4f11029a68040c90acf771976b019c1ef273a8cd

1 files changed, 686 insertions, 354 deletions

diff --git a/libc/src/unix/mod.rs b/libc/src/unix/mod.rs
index 721d241..238da24 100644
--- a/libc/src/unix/mod.rs
+++ b/libc/src/unix/mod.rs
@@ -34,9 +34,11 @@ pub type cc_t = ::c_uchar;
 pub enum DIR {}
 impl ::Copy for DIR {}
 impl ::Clone for DIR {
-    fn clone(&self) -> DIR { *self }
+    fn clone(&self) -> DIR {
+        *self
+    }
 }
-pub type locale_t = *mut :: c_void;
+pub type locale_t = *mut ::c_void;
 
 s! {
     pub struct group {
@@ -358,16 +360,20 @@ cfg_if! {
 pub enum FILE {}
 impl ::Copy for FILE {}
 impl ::Clone for FILE {
-    fn clone(&self) -> FILE { *self }
+    fn clone(&self) -> FILE {
+        *self
+    }
 }
 #[cfg_attr(feature = "extra_traits", derive(Debug))]
 pub enum fpos_t {} // TODO: fill this out with a struct
 impl ::Copy for fpos_t {}
 impl ::Clone for fpos_t {
-    fn clone(&self) -> fpos_t { *self }
+    fn clone(&self) -> fpos_t {
+        *self
+    }
 }
 
-extern {
+extern "C" {
     pub fn isalnum(c: c_int) -> c_int;
     pub fn isalpha(c: c_int) -> c_int;
     pub fn iscntrl(c: c_int) -> c_int;
@@ -379,6 +385,7 @@ extern {
     pub fn isspace(c: c_int) -> c_int;
     pub fn isupper(c: c_int) -> c_int;
     pub fn isxdigit(c: c_int) -> c_int;
+    pub fn isblank(c: c_int) -> c_int;
     pub fn tolower(c: c_int) -> c_int;
     pub fn toupper(c: c_int) -> c_int;
     #[cfg_attr(
@@ -390,20 +397,28 @@ extern {
         all(target_os = "macos", target_arch = "x86"),
         link_name = "freopen$UNIX2003"
     )]
-    pub fn freopen(filename: *const c_char, mode: *const c_char,
-                   file: *mut FILE) -> *mut FILE;
+    pub fn freopen(
+        filename: *const c_char,
+        mode: *const c_char,
+        file: *mut FILE,
+    ) -> *mut FILE;
     pub fn fflush(file: *mut FILE) -> c_int;
     pub fn fclose(file: *mut FILE) -> c_int;
     pub fn remove(filename: *const c_char) -> c_int;
     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
     pub fn tmpfile() -> *mut FILE;
-    pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int,
-                   size: size_t) -> c_int;
+    pub fn setvbuf(
+        stream: *mut FILE,
+        buffer: *mut c_char,
+        mode: c_int,
+        size: size_t,
+    ) -> c_int;
     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
     pub fn getchar() -> c_int;
     pub fn putchar(c: c_int) -> c_int;
     pub fn fgetc(stream: *mut FILE) -> c_int;
-    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
+    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE)
+        -> *mut c_char;
     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
@@ -412,14 +427,22 @@ extern {
     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
     pub fn puts(s: *const c_char) -> c_int;
     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
-    pub fn fread(ptr: *mut c_void, size: size_t, nobj: size_t,
-                 stream: *mut FILE) -> size_t;
+    pub fn fread(
+        ptr: *mut c_void,
+        size: size_t,
+        nobj: size_t,
+        stream: *mut FILE,
+    ) -> size_t;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
         link_name = "fwrite$UNIX2003"
     )]
-    pub fn fwrite(ptr: *const c_void, size: size_t, nobj: size_t,
-                  stream: *mut FILE) -> size_t;
+    pub fn fwrite(
+        ptr: *const c_void,
+        size: size_t,
+        nobj: size_t,
+        stream: *mut FILE,
+    ) -> size_t;
     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
     pub fn ftell(stream: *mut FILE) -> c_long;
     pub fn rewind(stream: *mut FILE);
@@ -436,10 +459,16 @@ extern {
         link_name = "strtod$UNIX2003"
     )]
     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
-    pub fn strtol(s: *const c_char, endp: *mut *mut c_char,
-                  base: c_int) -> c_long;
-    pub fn strtoul(s: *const c_char, endp: *mut *mut c_char,
-                   base: c_int) -> c_ulong;
+    pub fn strtol(
+        s: *const c_char,
+        endp: *mut *mut c_char,
+        base: c_int,
+    ) -> c_long;
+    pub fn strtoul(
+        s: *const c_char,
+        endp: *mut *mut c_char,
+        base: c_int,
+    ) -> c_ulong;
     pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
     pub fn malloc(size: size_t) -> *mut c_void;
     pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
@@ -447,7 +476,7 @@ extern {
     pub fn abort() -> !;
     pub fn exit(status: c_int) -> !;
     pub fn _exit(status: c_int) -> !;
-    pub fn atexit(cb: extern fn()) -> c_int;
+    pub fn atexit(cb: extern "C" fn()) -> c_int;
     #[cfg_attr(
         all(target_os = "macos", target_arch = "x86"),
         link_name = "system$UNIX2003"
@@ -456,11 +485,17 @@ extern {
     pub fn getenv(s: *const c_char) -> *mut c_char;
 
     pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
-    pub fn strncpy(dst: *mut c_char, src: *const c_char,
-                   n: size_t) -> *mut c_char;
+    pub fn strncpy(
+        dst: *mut c_char,
+        src: *const c_char,
+        n: size_t,
+    ) -> *mut c_char;
     pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
-    pub fn strncat(s: *mut c_char, ct: *const c_char,
-                   n: size_t) -> *mut c_char;
+    pub fn strncat(
+        s: *mut c_char,
+        ct: *const c_char,
+        n: size_t,
+    ) -> *mut c_char;
     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
@@ -472,8 +507,11 @@ extern {
     pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
     pub fn strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int;
-    pub fn strncasecmp(s1: *const c_char, s2: *const c_char,
-                       n: size_t) -> c_int;
+    pub fn strncasecmp(
+        s1: *const c_char,
+        s2: *const c_char,
+        n: size_t,
+    ) -> c_int;
     pub fn strlen(cs: *const c_char) -> size_t;
     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
     #[cfg_attr(
@@ -484,90 +522,154 @@ extern {
     pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
     pub fn wcslen(buf: *const wchar_t) -> size_t;
-    pub fn wcstombs(dest: *mut c_char, src: *const wchar_t,
-                    n: size_t) -> ::size_t;
+    pub fn wcstombs(
+        dest: *mut c_char,
+        src: *const wchar_t,
+        n: size_t,
+    ) -> ::size_t;
 
     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
     pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
-    pub fn memcpy(dest: *mut c_void, src: *const c_void,
-                  n: size_t) -> *mut c_void;
-    pub fn memmove(dest: *mut c_void, src: *const c_void,
-                   n: size_t) -> *mut c_void;
+    pub fn memcpy(
+        dest: *mut c_void,
+        src: *const c_void,
+        n: size_t,
+    ) -> *mut c_void;
+    pub fn memmove(
+        dest: *mut c_void,
+        src: *const c_void,
+        n: size_t,
+    ) -> *mut c_void;
     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
 }
 
-extern {
+extern "C" {
     #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam50")]
     pub fn getpwnam(name: *const ::c_char) -> *mut passwd;
     #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid50")]
     pub fn getpwuid(uid: ::uid_t) -> *mut passwd;
 
-    pub fn fprintf(stream: *mut ::FILE,
-                   format: *const ::c_char, ...) -> ::c_int;
+    pub fn fprintf(
+        stream: *mut ::FILE,
+        format: *const ::c_char,
+        ...
+    ) -> ::c_int;
     pub fn printf(format: *const ::c_char, ...) -> ::c_int;
-    pub fn snprintf(s: *mut ::c_char, n: ::size_t,
-                    format: *const ::c_char, ...) -> ::c_int;
+    pub fn snprintf(
+        s: *mut ::c_char,
+        n: ::size_t,
+        format: *const ::c_char,
+        ...
+    ) -> ::c_int;
     pub fn sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int;
     #[cfg_attr(target_os = "linux", link_name = "__isoc99_fscanf")]
-    pub fn fscanf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int;
+    pub fn fscanf(
+        stream: *mut ::FILE,
+        format: *const ::c_char,
+        ...
+    ) -> ::c_int;
     #[cfg_attr(target_os = "linux", link_name = "__isoc99_scanf")]
     pub fn scanf(format: *const ::c_char, ...) -> ::c_int;
     #[cfg_attr(target_os = "linux", link_name = "__isoc99_sscanf")]
-    pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int;
+    pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...)
+        -> ::c_int;
     pub fn getchar_unlocked() -> ::c_int;
     pub fn putchar_unlocked(c: ::c_int) -> ::c_int;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__socket30")]
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socket")]
     pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "connect$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "connect$UNIX2003"
+    )]
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_connect")]
-    pub fn connect(socket: ::c_int, address: *const sockaddr,
-                   len: socklen_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "listen$UNIX2003")]
+    pub fn connect(
+        socket: ::c_int,
+        address: *const sockaddr,
+        len: socklen_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "listen$UNIX2003"
+    )]
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_listen")]
     pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "accept$UNIX2003")]
-    pub fn accept(socket: ::c_int, address: *mut sockaddr,
-                  address_len: *mut socklen_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "getpeername$UNIX2003")]
-    pub fn getpeername(socket: ::c_int, address: *mut sockaddr,
-                       address_len: *mut socklen_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "getsockname$UNIX2003")]
-    pub fn getsockname(socket: ::c_int, address: *mut sockaddr,
-                       address_len: *mut socklen_t) -> ::c_int;
-    pub fn setsockopt(socket: ::c_int, level: ::c_int, name: ::c_int,
-                      value: *const ::c_void,
-                      option_len: socklen_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "socketpair$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "accept$UNIX2003"
+    )]
+    pub fn accept(
+        socket: ::c_int,
+        address: *mut sockaddr,
+        address_len: *mut socklen_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "getpeername$UNIX2003"
+    )]
+    pub fn getpeername(
+        socket: ::c_int,
+        address: *mut sockaddr,
+        address_len: *mut socklen_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "getsockname$UNIX2003"
+    )]
+    pub fn getsockname(
+        socket: ::c_int,
+        address: *mut sockaddr,
+        address_len: *mut socklen_t,
+    ) -> ::c_int;
+    pub fn setsockopt(
+        socket: ::c_int,
+        level: ::c_int,
+        name: ::c_int,
+        value: *const ::c_void,
+        option_len: socklen_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "socketpair$UNIX2003"
+    )]
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socketpair")]
-    pub fn socketpair(domain: ::c_int, type_: ::c_int, protocol: ::c_int,
-                      socket_vector: *mut ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "sendto$UNIX2003")]
+    pub fn socketpair(
+        domain: ::c_int,
+        type_: ::c_int,
+        protocol: ::c_int,
+        socket_vector: *mut ::c_int,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "sendto$UNIX2003"
+    )]
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_sendto")]
-    pub fn sendto(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
-                  flags: ::c_int, addr: *const sockaddr,
-                  addrlen: socklen_t) -> ::ssize_t;
+    pub fn sendto(
+        socket: ::c_int,
+        buf: *const ::c_void,
+        len: ::size_t,
+        flags: ::c_int,
+        addr: *const sockaddr,
+        addrlen: socklen_t,
+    ) -> ::ssize_t;
     pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "chmod$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "chmod$UNIX2003"
+    )]
     pub fn chmod(path: *const c_char, mode: mode_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "fchmod$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "fchmod$UNIX2003"
+    )]
     pub fn fchmod(fd: ::c_int, mode: mode_t) -> ::c_int;
 
     #[cfg_attr(target_os = "macos", link_name = "fstat$INODE64")]
     #[cfg_attr(target_os = "netbsd", link_name = "__fstat50")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "fstat@FBSD_1.0"
     )]
     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
@@ -577,119 +679,173 @@ extern {
     #[cfg_attr(target_os = "macos", link_name = "stat$INODE64")]
     #[cfg_attr(target_os = "netbsd", link_name = "__stat50")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "stat@FBSD_1.0"
     )]
     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
 
     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "fdopen$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "fdopen$UNIX2003"
+    )]
     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "open$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "open$UNIX2003"
+    )]
     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "creat$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "creat$UNIX2003"
+    )]
     pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "fcntl$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "fcntl$UNIX2003"
+    )]
     pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
-               link_name = "opendir$INODE64")]
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "opendir$INODE64$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86_64"),
+        link_name = "opendir$INODE64"
+    )]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "opendir$INODE64$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
 
     #[cfg_attr(target_os = "macos", link_name = "readdir$INODE64")]
     #[cfg_attr(target_os = "netbsd", link_name = "__readdir30")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "readdir@FBSD_1.0"
     )]
     pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "closedir$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "closedir$UNIX2003"
+    )]
     pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
-               link_name = "rewinddir$INODE64")]
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "rewinddir$INODE64$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86_64"),
+        link_name = "rewinddir$INODE64"
+    )]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "rewinddir$INODE64$UNIX2003"
+    )]
     pub fn rewinddir(dirp: *mut ::DIR);
 
-    pub fn fchmodat(dirfd: ::c_int, pathname: *const ::c_char,
-                    mode: ::mode_t, flags: ::c_int) -> ::c_int;
-    pub fn fchown(fd: ::c_int,
-                  owner: ::uid_t,
-                  group: ::gid_t) -> ::c_int;
-    pub fn fchownat(dirfd: ::c_int, pathname: *const ::c_char,
-                    owner: ::uid_t, group: ::gid_t,
-                    flags: ::c_int) -> ::c_int;
+    pub fn fchmodat(
+        dirfd: ::c_int,
+        pathname: *const ::c_char,
+        mode: ::mode_t,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int;
+    pub fn fchownat(
+        dirfd: ::c_int,
+        pathname: *const ::c_char,
+        owner: ::uid_t,
+        group: ::gid_t,
+        flags: ::c_int,
+    ) -> ::c_int;
     #[cfg_attr(target_os = "macos", link_name = "fstatat$INODE64")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "fstatat@FBSD_1.1"
     )]
-    pub fn fstatat(dirfd: ::c_int, pathname: *const ::c_char,
-                   buf: *mut stat, flags: ::c_int) -> ::c_int;
-    pub fn linkat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                  newdirfd: ::c_int, newpath: *const ::c_char,
-                  flags: ::c_int) -> ::c_int;
-    pub fn renameat(olddirfd: ::c_int, oldpath: *const ::c_char,
-                    newdirfd: ::c_int, newpath: *const ::c_char)
-                    -> ::c_int;
-    pub fn symlinkat(target: *const ::c_char, newdirfd: ::c_int,
-                     linkpath: *const ::c_char) -> ::c_int;
-    pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char,
-                    flags: ::c_int) -> ::c_int;
+    pub fn fstatat(
+        dirfd: ::c_int,
+        pathname: *const ::c_char,
+        buf: *mut stat,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn linkat(
+        olddirfd: ::c_int,
+        oldpath: *const ::c_char,
+        newdirfd: ::c_int,
+        newpath: *const ::c_char,
+        flags: ::c_int,
+    ) -> ::c_int;
+    pub fn renameat(
+        olddirfd: ::c_int,
+        oldpath: *const ::c_char,
+        newdirfd: ::c_int,
+        newpath: *const ::c_char,
+    ) -> ::c_int;
+    pub fn symlinkat(
+        target: *const ::c_char,
+        newdirfd: ::c_int,
+        linkpath: *const ::c_char,
+    ) -> ::c_int;
+    pub fn unlinkat(
+        dirfd: ::c_int,
+        pathname: *const ::c_char,
+        flags: ::c_int,
+    ) -> ::c_int;
 
     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
     pub fn chdir(dir: *const c_char) -> ::c_int;
     pub fn fchdir(dirfd: ::c_int) -> ::c_int;
-    pub fn chown(path: *const c_char, uid: uid_t,
-                 gid: gid_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "lchown$UNIX2003")]
-    pub fn lchown(path: *const c_char, uid: uid_t,
-                  gid: gid_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "close$NOCANCEL$UNIX2003")]
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
-               link_name = "close$NOCANCEL")]
+    pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "lchown$UNIX2003"
+    )]
+    pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "close$NOCANCEL$UNIX2003"
+    )]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86_64"),
+        link_name = "close$NOCANCEL"
+    )]
     pub fn close(fd: ::c_int) -> ::c_int;
     pub fn dup(fd: ::c_int) -> ::c_int;
     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
-    pub fn execl(path: *const c_char,
-                 arg0: *const c_char, ...) -> ::c_int;
-    pub fn execle(path: *const ::c_char,
-                  arg0: *const ::c_char, ...) -> ::c_int;
-    pub fn execlp(file: *const ::c_char,
-                  arg0: *const ::c_char, ...) -> ::c_int;
-    pub fn execv(prog: *const c_char,
-                 argv: *const *const c_char) -> ::c_int;
-    pub fn execve(prog: *const c_char, argv: *const *const c_char,
-                  envp: *const *const c_char)
-                  -> ::c_int;
-    pub fn execvp(c: *const c_char,
-                  argv: *const *const c_char) -> ::c_int;
+    pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
+    pub fn execle(
+        path: *const ::c_char,
+        arg0: *const ::c_char,
+        ...
+    ) -> ::c_int;
+    pub fn execlp(
+        file: *const ::c_char,
+        arg0: *const ::c_char,
+        ...
+    ) -> ::c_int;
+    pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int;
+    pub fn execve(
+        prog: *const c_char,
+        argv: *const *const c_char,
+        envp: *const *const c_char,
+    ) -> ::c_int;
+    pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
     pub fn fork() -> pid_t;
     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
     pub fn getegid() -> gid_t;
     pub fn geteuid() -> uid_t;
     pub fn getgid() -> gid_t;
-    pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t)
-                     -> ::c_int;
+    pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int;
     pub fn getlogin() -> *mut c_char;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "getopt$UNIX2003")]
-    pub fn getopt(argc: ::c_int, argv: *const *mut c_char,
-                  optstr: *const c_char) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "getopt$UNIX2003"
+    )]
+    pub fn getopt(
+        argc: ::c_int,
+        argv: *const *mut c_char,
+        optstr: *const c_char,
+    ) -> ::c_int;
     pub fn getpgid(pid: pid_t) -> pid_t;
     pub fn getpgrp() -> pid_t;
     pub fn getpid() -> pid_t;
@@ -700,13 +856,17 @@ extern {
     pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
-    pub fn posix_memalign(memptr: *mut *mut ::c_void,
-                      align: ::size_t,
-                      size: ::size_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "read$UNIX2003")]
+    pub fn posix_memalign(
+        memptr: *mut *mut ::c_void,
+        align: ::size_t,
+        size: ::size_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "read$UNIX2003"
+    )]
     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t)
-                -> ::ssize_t;
+        -> ::ssize_t;
     pub fn rmdir(path: *const c_char) -> ::c_int;
     pub fn seteuid(uid: uid_t) -> ::c_int;
     pub fn setegid(gid: gid_t) -> ::c_int;
@@ -714,51 +874,87 @@ extern {
     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
     pub fn setsid() -> pid_t;
     pub fn setuid(uid: uid_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "sleep$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "sleep$UNIX2003"
+    )]
     pub fn sleep(secs: ::c_uint) -> ::c_uint;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "nanosleep$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "nanosleep$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__nanosleep50")]
-    pub fn nanosleep(rqtp: *const timespec,
-                     rmtp: *mut timespec) -> ::c_int;
+    pub fn nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int;
     pub fn tcgetpgrp(fd: ::c_int) -> pid_t;
     pub fn tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int;
     pub fn ttyname(fd: ::c_int) -> *mut c_char;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "ttyname_r$UNIX2003")]
-    pub fn ttyname_r(fd: ::c_int,
-                     buf: *mut c_char, buflen: ::size_t) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "ttyname_r$UNIX2003"
+    )]
+    pub fn ttyname_r(
+        fd: ::c_int,
+        buf: *mut c_char,
+        buflen: ::size_t,
+    ) -> ::c_int;
     pub fn unlink(c: *const c_char) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "wait$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "wait$UNIX2003"
+    )]
     pub fn wait(status: *mut ::c_int) -> pid_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "waitpid$UNIX2003")]
-    pub fn waitpid(pid: pid_t, status: *mut ::c_int, options: ::c_int)
-                   -> pid_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "write$UNIX2003")]
-    pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::size_t)
-                 -> ::ssize_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pread$UNIX2003")]
-    pub fn pread(fd: ::c_int, buf: *mut ::c_void, count: ::size_t,
-                 offset: off_t) -> ::ssize_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pwrite$UNIX2003")]
-    pub fn pwrite(fd: ::c_int, buf: *const ::c_void, count: ::size_t,
-                  offset: off_t) -> ::ssize_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "waitpid$UNIX2003"
+    )]
+    pub fn waitpid(
+        pid: pid_t,
+        status: *mut ::c_int,
+        options: ::c_int,
+    ) -> pid_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "write$UNIX2003"
+    )]
+    pub fn write(
+        fd: ::c_int,
+        buf: *const ::c_void,
+        count: ::size_t,
+    ) -> ::ssize_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pread$UNIX2003"
+    )]
+    pub fn pread(
+        fd: ::c_int,
+        buf: *mut ::c_void,
+        count: ::size_t,
+        offset: off_t,
+    ) -> ::ssize_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pwrite$UNIX2003"
+    )]
+    pub fn pwrite(
+        fd: ::c_int,
+        buf: *const ::c_void,
+        count: ::size_t,
+        offset: off_t,
+    ) -> ::ssize_t;
     pub fn umask(mask: mode_t) -> mode_t;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__utime50")]
     pub fn utime(file: *const c_char, buf: *const utimbuf) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-                   link_name = "kill$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "kill$UNIX2003"
+    )]
     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "killpg$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "killpg$UNIX2003"
+    )]
     pub fn killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int;
 
     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
@@ -766,46 +962,61 @@ extern {
     pub fn mlockall(flags: ::c_int) -> ::c_int;
     pub fn munlockall() -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "mmap$UNIX2003")]
-    pub fn mmap(addr: *mut ::c_void,
-                len: ::size_t,
-                prot: ::c_int,
-                flags: ::c_int,
-                fd: ::c_int,
-                offset: off_t)
-                -> *mut ::c_void;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "munmap$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "mmap$UNIX2003"
+    )]
+    pub fn mmap(
+        addr: *mut ::c_void,
+        len: ::size_t,
+        prot: ::c_int,
+        flags: ::c_int,
+        fd: ::c_int,
+        offset: off_t,
+    ) -> *mut ::c_void;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "munmap$UNIX2003"
+    )]
     pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
 
     pub fn if_nametoindex(ifname: *const c_char) -> ::c_uint;
-    pub fn if_indextoname(ifindex: ::c_uint,
-                          ifname: *mut ::c_char) -> *mut ::c_char;
+    pub fn if_indextoname(
+        ifindex: ::c_uint,
+        ifname: *mut ::c_char,
+    ) -> *mut ::c_char;
 
     #[cfg_attr(target_os = "macos", link_name = "lstat$INODE64")]
     #[cfg_attr(target_os = "netbsd", link_name = "__lstat50")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "lstat@FBSD_1.0"
     )]
     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "fsync$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "fsync$UNIX2003"
+    )]
     pub fn fsync(fd: ::c_int) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "setenv$UNIX2003")]
-    pub fn setenv(name: *const c_char, val: *const c_char,
-                  overwrite: ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "unsetenv$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "setenv$UNIX2003"
+    )]
+    pub fn setenv(
+        name: *const c_char,
+        val: *const c_char,
+        overwrite: ::c_int,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "unsetenv$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__unsetenv13")]
     pub fn unsetenv(name: *const c_char) -> ::c_int;
 
-    pub fn symlink(path1: *const c_char,
-                   path2: *const c_char) -> ::c_int;
+    pub fn symlink(path1: *const c_char, path2: *const c_char) -> ::c_int;
 
     pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
 
@@ -814,10 +1025,14 @@ extern {
     #[cfg_attr(target_os = "netbsd", link_name = "__getrusage50")]
     pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
 
-    #[cfg_attr(any(target_os = "macos", target_os = "ios"),
-               link_name = "realpath$DARWIN_EXTSN")]
-    pub fn realpath(pathname: *const ::c_char, resolved: *mut ::c_char)
-                    -> *mut ::c_char;
+    #[cfg_attr(
+        any(target_os = "macos", target_os = "ios"),
+        link_name = "realpath$DARWIN_EXTSN"
+    )]
+    pub fn realpath(
+        pathname: *const ::c_char,
+        resolved: *mut ::c_char,
+    ) -> *mut ::c_char;
 
     pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
 
@@ -825,130 +1040,195 @@ extern {
     pub fn times(buf: *mut ::tms) -> ::clock_t;
 
     pub fn pthread_self() -> ::pthread_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_join$UNIX2003")]
-    pub fn pthread_join(native: ::pthread_t,
-                        value: *mut *mut ::c_void) -> ::c_int;
-    pub fn pthread_exit(value: *mut ::c_void);
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_join$UNIX2003"
+    )]
+    pub fn pthread_join(
+        native: ::pthread_t,
+        value: *mut *mut ::c_void,
+    ) -> ::c_int;
+    pub fn pthread_exit(value: *mut ::c_void) -> !;
     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
     pub fn pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int;
-    pub fn pthread_attr_setstacksize(attr: *mut ::pthread_attr_t,
-                                     stack_size: ::size_t) -> ::c_int;
-    pub fn pthread_attr_setdetachstate(attr: *mut ::pthread_attr_t,
-                                       state: ::c_int) -> ::c_int;
+    pub fn pthread_attr_setstacksize(
+        attr: *mut ::pthread_attr_t,
+        stack_size: ::size_t,
+    ) -> ::c_int;
+    pub fn pthread_attr_setdetachstate(
+        attr: *mut ::pthread_attr_t,
+        state: ::c_int,
+    ) -> ::c_int;
     pub fn pthread_detach(thread: ::pthread_t) -> ::c_int;
     #[cfg_attr(target_os = "netbsd", link_name = "__libc_thr_yield")]
     pub fn sched_yield() -> ::c_int;
-    pub fn pthread_key_create(key: *mut pthread_key_t,
-                              dtor: ::Option<unsafe extern fn(*mut ::c_void)>)
-                              -> ::c_int;
+    pub fn pthread_key_create(
+        key: *mut pthread_key_t,
+        dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>,
+    ) -> ::c_int;
     pub fn pthread_key_delete(key: pthread_key_t) -> ::c_int;
     pub fn pthread_getspecific(key: pthread_key_t) -> *mut ::c_void;
-    pub fn pthread_setspecific(key: pthread_key_t, value: *const ::c_void)
-                               -> ::c_int;
-    pub fn pthread_mutex_init(lock: *mut pthread_mutex_t,
-                              attr: *const pthread_mutexattr_t) -> ::c_int;
+    pub fn pthread_setspecific(
+        key: pthread_key_t,
+        value: *const ::c_void,
+    ) -> ::c_int;
+    pub fn pthread_mutex_init(
+        lock: *mut pthread_mutex_t,
+        attr: *const pthread_mutexattr_t,
+    ) -> ::c_int;
     pub fn pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int;
     pub fn pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int;
     pub fn pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int;
     pub fn pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int;
 
     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_mutexattr_destroy$UNIX2003")]
-    pub fn pthread_mutexattr_destroy(attr: *mut pthread_mutexattr_t) -> ::c_int;
-    pub fn pthread_mutexattr_settype(attr: *mut pthread_mutexattr_t,
-                                     _type: ::c_int) -> ::c_int;
-
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_cond_init$UNIX2003")]
-    pub fn pthread_cond_init(cond: *mut pthread_cond_t,
-                             attr: *const pthread_condattr_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_cond_wait$UNIX2003")]
-    pub fn pthread_cond_wait(cond: *mut pthread_cond_t,
-                             lock: *mut pthread_mutex_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_cond_timedwait$UNIX2003")]
-    pub fn pthread_cond_timedwait(cond: *mut pthread_cond_t,
-                              lock: *mut pthread_mutex_t,
-                              abstime: *const ::timespec) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_mutexattr_destroy$UNIX2003"
+    )]
+    pub fn pthread_mutexattr_destroy(
+        attr: *mut pthread_mutexattr_t,
+    ) -> ::c_int;
+    pub fn pthread_mutexattr_settype(
+        attr: *mut pthread_mutexattr_t,
+        _type: ::c_int,
+    ) -> ::c_int;
+
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_cond_init$UNIX2003"
+    )]
+    pub fn pthread_cond_init(
+        cond: *mut pthread_cond_t,
+        attr: *const pthread_condattr_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_cond_wait$UNIX2003"
+    )]
+    pub fn pthread_cond_wait(
+        cond: *mut pthread_cond_t,
+        lock: *mut pthread_mutex_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_cond_timedwait$UNIX2003"
+    )]
+    pub fn pthread_cond_timedwait(
+        cond: *mut pthread_cond_t,
+        lock: *mut pthread_mutex_t,
+        abstime: *const ::timespec,
+    ) -> ::c_int;
     pub fn pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int;
     pub fn pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int;
     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int;
     pub fn pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int;
     pub fn pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_init$UNIX2003")]
-    pub fn pthread_rwlock_init(lock: *mut pthread_rwlock_t,
-                               attr: *const pthread_rwlockattr_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_destroy$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_init$UNIX2003"
+    )]
+    pub fn pthread_rwlock_init(
+        lock: *mut pthread_rwlock_t,
+        attr: *const pthread_rwlockattr_t,
+    ) -> ::c_int;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_destroy$UNIX2003"
+    )]
     pub fn pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_rdlock$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_rdlock$UNIX2003"
+    )]
     pub fn pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_tryrdlock$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_tryrdlock$UNIX2003"
+    )]
     pub fn pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_wrlock$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_wrlock$UNIX2003"
+    )]
     pub fn pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_trywrlock$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_trywrlock$UNIX2003"
+    )]
     pub fn pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pthread_rwlock_unlock$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pthread_rwlock_unlock$UNIX2003"
+    )]
     pub fn pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int;
-    pub fn pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t) -> ::c_int;
-    pub fn pthread_rwlockattr_destroy(attr: *mut pthread_rwlockattr_t)
-                                      -> ::c_int;
+    pub fn pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t)
+        -> ::c_int;
+    pub fn pthread_rwlockattr_destroy(
+        attr: *mut pthread_rwlockattr_t,
+    ) -> ::c_int;
 
     #[cfg_attr(target_os = "illumos", link_name = "__xnet_getsockopt")]
-    pub fn getsockopt(sockfd: ::c_int,
-                      level: ::c_int,
-                      optname: ::c_int,
-                      optval: *mut ::c_void,
-                      optlen: *mut ::socklen_t) -> ::c_int;
+    pub fn getsockopt(
+        sockfd: ::c_int,
+        level: ::c_int,
+        optname: ::c_int,
+        optval: *mut ::c_void,
+        optlen: *mut ::socklen_t,
+    ) -> ::c_int;
     pub fn raise(signum: ::c_int) -> ::c_int;
     #[cfg_attr(target_os = "netbsd", link_name = "__sigaction14")]
-    pub fn sigaction(signum: ::c_int,
-                     act: *const sigaction,
-                     oldact: *mut sigaction) -> ::c_int;
+    pub fn sigaction(
+        signum: ::c_int,
+        act: *const sigaction,
+        oldact: *mut sigaction,
+    ) -> ::c_int;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__utimes50")]
-    pub fn utimes(filename: *const ::c_char,
-                  times: *const ::timeval) -> ::c_int;
-    pub fn dlopen(filename: *const ::c_char,
-                  flag: ::c_int) -> *mut ::c_void;
+    pub fn utimes(
+        filename: *const ::c_char,
+        times: *const ::timeval,
+    ) -> ::c_int;
+    pub fn dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
     pub fn dlerror() -> *mut ::c_char;
-    pub fn dlsym(handle: *mut ::c_void,
-                 symbol: *const ::c_char) -> *mut ::c_void;
+    pub fn dlsym(
+        handle: *mut ::c_void,
+        symbol: *const ::c_char,
+    ) -> *mut ::c_void;
     pub fn dlclose(handle: *mut ::c_void) -> ::c_int;
     pub fn dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int;
 
-    pub fn getaddrinfo(node: *const c_char,
-                       service: *const c_char,
-                       hints: *const addrinfo,
-                       res: *mut *mut addrinfo) -> ::c_int;
+    pub fn getaddrinfo(
+        node: *const c_char,
+        service: *const c_char,
+        hints: *const addrinfo,
+        res: *mut *mut addrinfo,
+    ) -> ::c_int;
     pub fn freeaddrinfo(res: *mut addrinfo);
     pub fn gai_strerror(errcode: ::c_int) -> *const ::c_char;
-    #[cfg_attr(any(
-                   all(target_os = "linux", not(target_env = "musl")),
-                   target_os = "freebsd",
-                   target_os = "dragonfly",
-                   target_os = "haiku"),
-               link_name = "__res_init")]
-    #[cfg_attr(any(target_os = "macos", target_os = "ios"),
-               link_name = "res_9_init")]
+    #[cfg_attr(
+        any(
+            all(target_os = "linux", not(target_env = "musl")),
+            target_os = "freebsd",
+            target_os = "dragonfly",
+            target_os = "haiku"
+        ),
+        link_name = "__res_init"
+    )]
+    #[cfg_attr(
+        any(target_os = "macos", target_os = "ios"),
+        link_name = "res_9_init"
+    )]
     pub fn res_init() -> ::c_int;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime_r50")]
     pub fn gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
     #[cfg_attr(target_os = "netbsd", link_name = "__localtime_r50")]
     pub fn localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "mktime$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "mktime$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__mktime50")]
     pub fn mktime(tm: *mut tm) -> time_t;
     #[cfg_attr(target_os = "netbsd", link_name = "__time50")]
@@ -962,62 +1242,96 @@ extern {
 
     #[cfg_attr(target_os = "netbsd", link_name = "__mknod50")]
     #[cfg_attr(
-        all(target_os = "freebsd", freebsd11),
+        all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "mknod@FBSD_1.0"
     )]
-    pub fn mknod(pathname: *const ::c_char, mode: ::mode_t,
-                 dev: ::dev_t) -> ::c_int;
+    pub fn mknod(
+        pathname: *const ::c_char,
+        mode: ::mode_t,
+        dev: ::dev_t,
+    ) -> ::c_int;
     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
-    pub fn getservbyname(name: *const ::c_char,
-                         proto: *const ::c_char) -> *mut servent;
+    pub fn getservbyname(
+        name: *const ::c_char,
+        proto: *const ::c_char,
+    ) -> *mut servent;
     pub fn getprotobyname(name: *const ::c_char) -> *mut protoent;
     pub fn getprotobynumber(proto: ::c_int) -> *mut protoent;
     pub fn chroot(name: *const ::c_char) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "usleep$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "usleep$UNIX2003"
+    )]
     pub fn usleep(secs: ::c_uint) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "send$UNIX2003")]
-    pub fn send(socket: ::c_int, buf: *const ::c_void, len: ::size_t,
-                flags: ::c_int) -> ::ssize_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "recv$UNIX2003")]
-    pub fn recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t,
-                flags: ::c_int) -> ::ssize_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "putenv$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "send$UNIX2003"
+    )]
+    pub fn send(
+        socket: ::c_int,
+        buf: *const ::c_void,
+        len: ::size_t,
+        flags: ::c_int,
+    ) -> ::ssize_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "recv$UNIX2003"
+    )]
+    pub fn recv(
+        socket: ::c_int,
+        buf: *mut ::c_void,
+        len: ::size_t,
+        flags: ::c_int,
+    ) -> ::ssize_t;
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "putenv$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__putenv50")]
     pub fn putenv(string: *mut c_char) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "poll$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "poll$UNIX2003"
+    )]
     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
-               link_name = "select$1050")]
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "select$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86_64"),
+        link_name = "select$1050"
+    )]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "select$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__select50")]
-    pub fn select(nfds: ::c_int,
-                  readfs: *mut fd_set,
-                  writefds: *mut fd_set,
-                  errorfds: *mut fd_set,
-                  timeout: *mut timeval) -> ::c_int;
+    pub fn select(
+        nfds: ::c_int,
+        readfs: *mut fd_set,
+        writefds: *mut fd_set,
+        errorfds: *mut fd_set,
+        timeout: *mut timeval,
+    ) -> ::c_int;
     #[cfg_attr(target_os = "netbsd", link_name = "__setlocale50")]
-    pub fn setlocale(category: ::c_int,
-                     locale: *const ::c_char) -> *mut ::c_char;
+    pub fn setlocale(
+        category: ::c_int,
+        locale: *const ::c_char,
+    ) -> *mut ::c_char;
     pub fn localeconv() -> *mut lconv;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "sem_wait$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "sem_wait$UNIX2003"
+    )]
     pub fn sem_wait(sem: *mut sem_t) -> ::c_int;
     pub fn sem_trywait(sem: *mut sem_t) -> ::c_int;
     pub fn sem_post(sem: *mut sem_t) -> ::c_int;
     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int;
     pub fn fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int;
 
-    pub fn readlink(path: *const c_char,
-                    buf: *mut c_char,
-                    bufsz: ::size_t)
-                    -> ::ssize_t;
+    pub fn readlink(
+        path: *const c_char,
+        buf: *mut c_char,
+        bufsz: ::size_t,
+    ) -> ::ssize_t;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__sigemptyset14")]
     pub fn sigemptyset(set: *mut sigset_t) -> ::c_int;
@@ -1031,10 +1345,11 @@ extern {
     pub fn sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int;
 
     #[cfg_attr(target_os = "netbsd", link_name = "__sigprocmask14")]
-    pub fn sigprocmask(how: ::c_int,
-                       set: *const sigset_t,
-                       oldset: *mut sigset_t)
-                       -> ::c_int;
+    pub fn sigprocmask(
+        how: ::c_int,
+        set: *const sigset_t,
+        oldset: *mut sigset_t,
+    ) -> ::c_int;
     #[cfg_attr(target_os = "netbsd", link_name = "__sigpending14")]
     pub fn sigpending(set: *mut sigset_t) -> ::c_int;
 
@@ -1045,32 +1360,44 @@ extern {
 
     pub fn mkfifo(path: *const c_char, mode: mode_t) -> ::c_int;
 
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
-               link_name = "pselect$1050")]
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "pselect$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86_64"),
+        link_name = "pselect$1050"
+    )]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "pselect$UNIX2003"
+    )]
     #[cfg_attr(target_os = "netbsd", link_name = "__pselect50")]
-    pub fn pselect(nfds: ::c_int,
-                   readfs: *mut fd_set,
-                   writefds: *mut fd_set,
-                   errorfds: *mut fd_set,
-                   timeout: *const timespec,
-                   sigmask: *const sigset_t) -> ::c_int;
-    pub fn fseeko(stream: *mut ::FILE,
-                  offset: ::off_t,
-                  whence: ::c_int) -> ::c_int;
+    pub fn pselect(
+        nfds: ::c_int,
+        readfs: *mut fd_set,
+        writefds: *mut fd_set,
+        errorfds: *mut fd_set,
+        timeout: *const timespec,
+        sigmask: *const sigset_t,
+    ) -> ::c_int;
+    pub fn fseeko(
+        stream: *mut ::FILE,
+        offset: ::off_t,
+        whence: ::c_int,
+    ) -> ::c_int;
     pub fn ftello(stream: *mut ::FILE) -> ::off_t;
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "tcdrain$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "tcdrain$UNIX2003"
+    )]
     pub fn tcdrain(fd: ::c_int) -> ::c_int;
     pub fn cfgetispeed(termios: *const ::termios) -> ::speed_t;
     pub fn cfgetospeed(termios: *const ::termios) -> ::speed_t;
     pub fn cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
     pub fn cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
     pub fn tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int;
-    pub fn tcsetattr(fd: ::c_int,
-                     optional_actions: ::c_int,
-                     termios: *const ::termios) -> ::c_int;
+    pub fn tcsetattr(
+        fd: ::c_int,
+        optional_actions: ::c_int,
+        termios: *const ::termios,
+    ) -> ::c_int;
     pub fn tcflow(fd: ::c_int, action: ::c_int) -> ::c_int;
     pub fn tcflush(fd: ::c_int, action: ::c_int) -> ::c_int;
     pub fn tcgetsid(fd: ::c_int) -> ::pid_t;
@@ -1085,8 +1412,10 @@ extern {
     pub fn setlogmask(maskpri: ::c_int) -> ::c_int;
     #[cfg_attr(target_os = "macos", link_name = "syslog$DARWIN_EXTSN")]
     pub fn syslog(priority: ::c_int, message: *const ::c_char, ...);
-    #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
-               link_name = "nice$UNIX2003")]
+    #[cfg_attr(
+        all(target_os = "macos", target_arch = "x86"),
+        link_name = "nice$UNIX2003"
+    )]
     pub fn nice(incr: ::c_int) -> ::c_int;
 
     pub fn grantpt(fd: ::c_int) -> ::c_int;
@@ -1095,8 +1424,11 @@ extern {
     pub fn unlockpt(fd: ::c_int) -> ::c_int;
 
     pub fn strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
-    pub fn getline (lineptr: *mut *mut c_char, n: *mut size_t,
-        stream: *mut FILE) -> ssize_t;
+    pub fn getline(
+        lineptr: *mut *mut c_char,
+        n: *mut size_t,
+        stream: *mut FILE,
+    ) -> ssize_t;
 }
 
 cfg_if! {
@@ -1126,7 +1458,7 @@ cfg_if! {
             #[cfg_attr(target_os = "macos", link_name = "readdir_r$INODE64")]
             #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
             #[cfg_attr(
-                all(target_os = "freebsd", freebsd11),
+                all(target_os = "freebsd", any(freebsd11, freebsd10)),
                 link_name = "readdir_r@FBSD_1.0"
             )]
             /// The 64-bit libc on Solaris and illumos only has readdir_r.  If a