//! Windows CRT definitions use crate::prelude::*; pub type c_schar = i8; pub type c_uchar = u8; pub type c_short = i16; pub type c_ushort = u16; pub type c_int = i32; pub type c_uint = u32; pub type c_float = f32; pub type c_double = f64; pub type c_longlong = i64; pub type c_ulonglong = u64; pub type intmax_t = i64; pub type uintmax_t = u64; pub type size_t = usize; pub type ptrdiff_t = isize; pub type intptr_t = isize; pub type uintptr_t = usize; pub type ssize_t = isize; pub type sighandler_t = usize; pub type c_char = i8; pub type c_long = i32; pub type c_ulong = u32; pub type wchar_t = u16; pub type clock_t = i32; pub type errno_t = c_int; cfg_if! { if #[cfg(all(target_arch = "x86", target_env = "gnu"))] { pub type time_t = i32; } else { pub type time_t = i64; } } pub type off_t = i32; pub type dev_t = u32; pub type ino_t = u16; #[cfg_attr(feature = "extra_traits", derive(Debug))] pub enum timezone {} impl Copy for timezone {} impl Clone for timezone { fn clone(&self) -> timezone { *self } } pub type time64_t = i64; pub type SOCKET = crate::uintptr_t; s! { // note this is the struct called stat64 in Windows. Not stat, nor stati64. pub struct stat { pub st_dev: dev_t, pub st_ino: ino_t, pub st_mode: u16, pub st_nlink: c_short, pub st_uid: c_short, pub st_gid: c_short, pub st_rdev: dev_t, pub st_size: i64, pub st_atime: time64_t, pub st_mtime: time64_t, pub st_ctime: time64_t, } // note that this is called utimbuf64 in Windows pub struct utimbuf { pub actime: time64_t, pub modtime: time64_t, } pub struct tm { pub tm_sec: c_int, pub tm_min: c_int, pub tm_hour: c_int, pub tm_mday: c_int, pub tm_mon: c_int, pub tm_year: c_int, pub tm_wday: c_int, pub tm_yday: c_int, pub tm_isdst: c_int, } pub struct timeval { pub tv_sec: c_long, pub tv_usec: c_long, } pub struct timespec { pub tv_sec: time_t, pub tv_nsec: c_long, } pub struct sockaddr { pub sa_family: c_ushort, pub sa_data: [c_char; 14], } } pub const INT_MIN: c_int = -2147483648; pub const INT_MAX: c_int = 2147483647; pub const EXIT_FAILURE: c_int = 1; pub const EXIT_SUCCESS: c_int = 0; pub const RAND_MAX: c_int = 32767; pub const EOF: c_int = -1; pub const SEEK_SET: c_int = 0; pub const SEEK_CUR: c_int = 1; pub const SEEK_END: c_int = 2; pub const _IOFBF: c_int = 0; pub const _IONBF: c_int = 4; pub const _IOLBF: c_int = 64; pub const BUFSIZ: c_uint = 512; pub const FOPEN_MAX: c_uint = 20; pub const FILENAME_MAX: c_uint = 260; // fcntl.h pub const O_RDONLY: c_int = 0x0000; pub const O_WRONLY: c_int = 0x0001; pub const O_RDWR: c_int = 0x0002; pub const O_APPEND: c_int = 0x0008; pub const O_CREAT: c_int = 0x0100; pub const O_TRUNC: c_int = 0x0200; pub const O_EXCL: c_int = 0x0400; pub const O_TEXT: c_int = 0x4000; pub const O_BINARY: c_int = 0x8000; pub const _O_WTEXT: c_int = 0x10000; pub const _O_U16TEXT: c_int = 0x20000; pub const _O_U8TEXT: c_int = 0x40000; pub const O_RAW: c_int = O_BINARY; pub const O_NOINHERIT: c_int = 0x0080; pub const O_TEMPORARY: c_int = 0x0040; pub const _O_SHORT_LIVED: c_int = 0x1000; pub const _O_OBTAIN_DIR: c_int = 0x2000; pub const O_SEQUENTIAL: c_int = 0x0020; pub const O_RANDOM: c_int = 0x0010; pub const S_IFCHR: c_int = 0o2_0000; pub const S_IFDIR: c_int = 0o4_0000; pub const S_IFREG: c_int = 0o10_0000; pub const S_IFMT: c_int = 0o17_0000; pub const S_IEXEC: c_int = 0o0100; pub const S_IWRITE: c_int = 0o0200; pub const S_IREAD: c_int = 0o0400; pub const LC_ALL: c_int = 0; pub const LC_COLLATE: c_int = 1; pub const LC_CTYPE: c_int = 2; pub const LC_MONETARY: c_int = 3; pub const LC_NUMERIC: c_int = 4; pub const LC_TIME: c_int = 5; pub const EPERM: c_int = 1; pub const ENOENT: c_int = 2; pub const ESRCH: c_int = 3; pub const EINTR: c_int = 4; pub const EIO: c_int = 5; pub const ENXIO: c_int = 6; pub const E2BIG: c_int = 7; pub const ENOEXEC: c_int = 8; pub const EBADF: c_int = 9; pub const ECHILD: c_int = 10; pub const EAGAIN: c_int = 11; pub const ENOMEM: c_int = 12; pub const EACCES: c_int = 13; pub const EFAULT: c_int = 14; pub const EBUSY: c_int = 16; pub const EEXIST: c_int = 17; pub const EXDEV: c_int = 18; pub const ENODEV: c_int = 19; pub const ENOTDIR: c_int = 20; pub const EISDIR: c_int = 21; pub const EINVAL: c_int = 22; pub const ENFILE: c_int = 23; pub const EMFILE: c_int = 24; pub const ENOTTY: c_int = 25; pub const EFBIG: c_int = 27; pub const ENOSPC: c_int = 28; pub const ESPIPE: c_int = 29; pub const EROFS: c_int = 30; pub const EMLINK: c_int = 31; pub const EPIPE: c_int = 32; pub const EDOM: c_int = 33; pub const ERANGE: c_int = 34; pub const EDEADLK: c_int = 36; pub const EDEADLOCK: c_int = 36; pub const ENAMETOOLONG: c_int = 38; pub const ENOLCK: c_int = 39; pub const ENOSYS: c_int = 40; pub const ENOTEMPTY: c_int = 41; pub const EILSEQ: c_int = 42; pub const STRUNCATE: c_int = 80; // POSIX Supplement (from errno.h) pub const EADDRINUSE: c_int = 100; pub const EADDRNOTAVAIL: c_int = 101; pub const EAFNOSUPPORT: c_int = 102; pub const EALREADY: c_int = 103; pub const EBADMSG: c_int = 104; pub const ECANCELED: c_int = 105; pub const ECONNABORTED: c_int = 106; pub const ECONNREFUSED: c_int = 107; pub const ECONNRESET: c_int = 108; pub const EDESTADDRREQ: c_int = 109; pub const EHOSTUNREACH: c_int = 110; pub const EIDRM: c_int = 111; pub const EINPROGRESS: c_int = 112; pub const EISCONN: c_int = 113; pub const ELOOP: c_int = 114; pub const EMSGSIZE: c_int = 115; pub const ENETDOWN: c_int = 116; pub const ENETRESET: c_int = 117; pub const ENETUNREACH: c_int = 118; pub const ENOBUFS: c_int = 119; pub const ENODATA: c_int = 120; pub const ENOLINK: c_int = 121; pub const ENOMSG: c_int = 122; pub const ENOPROTOOPT: c_int = 123; pub const ENOSR: c_int = 124; pub const ENOSTR: c_int = 125; pub const ENOTCONN: c_int = 126; pub const ENOTRECOVERABLE: c_int = 127; pub const ENOTSOCK: c_int = 128; pub const ENOTSUP: c_int = 129; pub const EOPNOTSUPP: c_int = 130; pub const EOVERFLOW: c_int = 132; pub const EOWNERDEAD: c_int = 133; pub const EPROTO: c_int = 134; pub const EPROTONOSUPPORT: c_int = 135; pub const EPROTOTYPE: c_int = 136; pub const ETIME: c_int = 137; pub const ETIMEDOUT: c_int = 138; pub const ETXTBSY: c_int = 139; pub const EWOULDBLOCK: c_int = 140; // signal codes pub const SIGINT: c_int = 2; pub const SIGILL: c_int = 4; pub const SIGFPE: c_int = 8; pub const SIGSEGV: c_int = 11; pub const SIGTERM: c_int = 15; pub const SIGABRT: c_int = 22; pub const NSIG: c_int = 23; pub const SIG_ERR: c_int = -1; pub const SIG_DFL: crate::sighandler_t = 0; pub const SIG_IGN: crate::sighandler_t = 1; pub const SIG_GET: crate::sighandler_t = 2; pub const SIG_SGE: crate::sighandler_t = 3; pub const SIG_ACK: crate::sighandler_t = 4; // DIFF(main): removed in 458c58f409 // FIXME(msrv): done by `std` starting in 1.79.0 // inline comment below appeases style checker #[cfg(all(target_env = "msvc", feature = "rustc-dep-of-std"))] // " if " #[link(name = "msvcrt", cfg(not(target_feature = "crt-static")))] #[link(name = "libcmt", cfg(target_feature = "crt-static"))] extern "C" {} #[cfg_attr(feature = "extra_traits", derive(Debug))] pub enum FILE {} impl Copy for FILE {} impl Clone for FILE { fn clone(&self) -> FILE { *self } } #[cfg_attr(feature = "extra_traits", derive(Debug))] pub enum fpos_t {} // FIXME: fill this out with a struct impl Copy for fpos_t {} impl Clone for fpos_t { fn clone(&self) -> fpos_t { *self } } // Special handling for all print and scan type functions because of https://github.com/rust-lang/libc/issues/2860 cfg_if! { if #[cfg(not(feature = "rustc-dep-of-std"))] { #[cfg_attr( all(windows, target_env = "msvc"), link(name = "legacy_stdio_definitions") )] extern "C" { pub fn printf(format: *const c_char, ...) -> c_int; pub fn fprintf(stream: *mut FILE, format: *const c_char, ...) -> c_int; } } } 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; pub fn isdigit(c: c_int) -> c_int; pub fn isgraph(c: c_int) -> c_int; pub fn islower(c: c_int) -> c_int; pub fn isprint(c: c_int) -> c_int; pub fn ispunct(c: c_int) -> c_int; 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; pub fn fopen(filename: *const c_char, mode: *const c_char) -> *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 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 fputc(c: c_int, stream: *mut FILE) -> c_int; 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 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); pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int; pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int; pub fn feof(stream: *mut FILE) -> c_int; pub fn ferror(stream: *mut FILE) -> c_int; pub fn perror(s: *const c_char); pub fn atof(s: *const c_char) -> c_double; pub fn atoi(s: *const c_char) -> c_int; pub fn atol(s: *const c_char) -> c_long; pub fn atoll(s: *const c_char) -> c_longlong; pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double; pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float; pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long; pub fn strtoll(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_longlong; pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong; pub fn strtoull(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulonglong; pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void; pub fn malloc(size: size_t) -> *mut c_void; pub fn _msize(p: *mut c_void) -> size_t; pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void; pub fn free(p: *mut c_void); pub fn abort() -> !; pub fn exit(status: c_int) -> !; pub fn _exit(status: c_int) -> !; pub fn atexit(cb: extern "C" fn()) -> c_int; pub fn system(s: *const c_char) -> c_int; 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 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 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; pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char; pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char; pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t; pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t; pub fn strdup(cs: *const c_char) -> *mut c_char; 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 strlen(cs: *const c_char) -> size_t; pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t; pub fn strerror(n: c_int) -> *mut c_char; 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 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 memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void; pub fn abs(i: c_int) -> c_int; pub fn labs(i: c_long) -> c_long; pub fn rand() -> c_int; pub fn srand(seed: c_uint); pub fn signal(signum: c_int, handler: sighandler_t) -> sighandler_t; pub fn raise(signum: c_int) -> c_int; #[link_name = "_gmtime64_s"] pub fn gmtime_s(destTime: *mut tm, srcTime: *const time_t) -> c_int; #[link_name = "_localtime64_s"] pub fn localtime_s(tmDest: *mut tm, sourceTime: *const time_t) -> crate::errno_t; #[link_name = "_time64"] pub fn time(destTime: *mut time_t) -> time_t; #[link_name = "_chmod"] pub fn chmod(path: *const c_char, mode: c_int) -> c_int; #[link_name = "_wchmod"] pub fn wchmod(path: *const wchar_t, mode: c_int) -> c_int; #[link_name = "_mkdir"] pub fn mkdir(path: *const c_char) -> c_int; #[link_name = "_wrmdir"] pub fn wrmdir(path: *const wchar_t) -> c_int; #[link_name = "_fstat64"] pub fn fstat(fildes: c_int, buf: *mut stat) -> c_int; #[link_name = "_stat64"] pub fn stat(path: *const c_char, buf: *mut stat) -> c_int; #[link_name = "_wstat64"] pub fn wstat(path: *const wchar_t, buf: *mut stat) -> c_int; #[link_name = "_wutime64"] pub fn wutime(file: *const wchar_t, buf: *mut utimbuf) -> c_int; #[link_name = "_popen"] pub fn popen(command: *const c_char, mode: *const c_char) -> *mut crate::FILE; #[link_name = "_pclose"] pub fn pclose(stream: *mut crate::FILE) -> c_int; #[link_name = "_fdopen"] pub fn fdopen(fd: c_int, mode: *const c_char) -> *mut crate::FILE; #[link_name = "_fileno"] pub fn fileno(stream: *mut crate::FILE) -> c_int; #[link_name = "_open"] pub fn open(path: *const c_char, oflag: c_int, ...) -> c_int; #[link_name = "_wopen"] pub fn wopen(path: *const wchar_t, oflag: c_int, ...) -> c_int; #[link_name = "_creat"] pub fn creat(path: *const c_char, mode: c_int) -> c_int; #[link_name = "_access"] pub fn access(path: *const c_char, amode: c_int) -> c_int; #[link_name = "_chdir"] pub fn chdir(dir: *const c_char) -> c_int; #[link_name = "_close"] pub fn close(fd: c_int) -> c_int; #[link_name = "_dup"] pub fn dup(fd: c_int) -> c_int; #[link_name = "_dup2"] pub fn dup2(src: c_int, dst: c_int) -> c_int; #[link_name = "_execl"] pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t; #[link_name = "_wexecl"] pub fn wexecl(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t; #[link_name = "_execle"] pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t; #[link_name = "_wexecle"] pub fn wexecle(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t; #[link_name = "_execlp"] pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t; #[link_name = "_wexeclp"] pub fn wexeclp(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t; #[link_name = "_execlpe"] pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t; #[link_name = "_wexeclpe"] pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t; #[link_name = "_execv"] // DIFF(main): changed to `intptr_t` in e77f551de9 pub fn execv(prog: *const c_char, argv: *const *const c_char) -> intptr_t; #[link_name = "_execve"] pub fn execve( prog: *const c_char, argv: *const *const c_char, envp: *const *const c_char, ) -> c_int; #[link_name = "_execvp"] pub fn execvp(c: *const c_char, argv: *const *const c_char) -> c_int; #[link_name = "_execvpe"] pub fn execvpe( c: *const c_char, argv: *const *const c_char, envp: *const *const c_char, ) -> c_int; #[link_name = "_wexecv"] pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> intptr_t; #[link_name = "_wexecve"] pub fn wexecve( prog: *const wchar_t, argv: *const *const wchar_t, envp: *const *const wchar_t, ) -> intptr_t; #[link_name = "_wexecvp"] pub fn wexecvp(c: *const wchar_t, argv: *const *const wchar_t) -> intptr_t; #[link_name = "_wexecvpe"] pub fn wexecvpe( c: *const wchar_t, argv: *const *const wchar_t, envp: *const *const wchar_t, ) -> intptr_t; #[link_name = "_getcwd"] pub fn getcwd(buf: *mut c_char, size: c_int) -> *mut c_char; #[link_name = "_getpid"] pub fn getpid() -> c_int; #[link_name = "_isatty"] pub fn isatty(fd: c_int) -> c_int; #[link_name = "_lseek"] pub fn lseek(fd: c_int, offset: c_long, origin: c_int) -> c_long; #[link_name = "_lseeki64"] pub fn lseek64(fd: c_int, offset: c_longlong, origin: c_int) -> c_longlong; #[link_name = "_pipe"] pub fn pipe(fds: *mut c_int, psize: c_uint, textmode: c_int) -> c_int; #[link_name = "_read"] pub fn read(fd: c_int, buf: *mut c_void, count: c_uint) -> c_int; #[link_name = "_rmdir"] pub fn rmdir(path: *const c_char) -> c_int; #[link_name = "_unlink"] pub fn unlink(c: *const c_char) -> c_int; #[link_name = "_write"] pub fn write(fd: c_int, buf: *const c_void, count: c_uint) -> c_int; #[link_name = "_commit"] pub fn commit(fd: c_int) -> c_int; #[link_name = "_get_osfhandle"] pub fn get_osfhandle(fd: c_int) -> intptr_t; #[link_name = "_open_osfhandle"] pub fn open_osfhandle(osfhandle: intptr_t, flags: c_int) -> c_int; pub fn setlocale(category: c_int, locale: *const c_char) -> *mut c_char; #[link_name = "_wsetlocale"] pub fn wsetlocale(category: c_int, locale: *const wchar_t) -> *mut wchar_t; #[link_name = "_aligned_malloc"] pub fn aligned_malloc(size: size_t, alignment: size_t) -> *mut c_void; #[link_name = "_aligned_free"] pub fn aligned_free(ptr: *mut c_void); #[link_name = "_aligned_realloc"] pub fn aligned_realloc(memblock: *mut c_void, size: size_t, alignment: size_t) -> *mut c_void; #[link_name = "_putenv"] pub fn putenv(envstring: *const c_char) -> c_int; #[link_name = "_wputenv"] pub fn wputenv(envstring: *const crate::wchar_t) -> c_int; #[link_name = "_putenv_s"] pub fn putenv_s(envstring: *const c_char, value_string: *const c_char) -> crate::errno_t; #[link_name = "_wputenv_s"] pub fn wputenv_s( envstring: *const crate::wchar_t, value_string: *const crate::wchar_t, ) -> crate::errno_t; } extern "system" { pub fn listen(s: SOCKET, backlog: c_int) -> c_int; pub fn accept(s: SOCKET, addr: *mut crate::sockaddr, addrlen: *mut c_int) -> SOCKET; pub fn bind(s: SOCKET, name: *const crate::sockaddr, namelen: c_int) -> c_int; pub fn connect(s: SOCKET, name: *const crate::sockaddr, namelen: c_int) -> c_int; pub fn getpeername(s: SOCKET, name: *mut crate::sockaddr, nameln: *mut c_int) -> c_int; pub fn getsockname(s: SOCKET, name: *mut crate::sockaddr, nameln: *mut c_int) -> c_int; pub fn getsockopt( s: SOCKET, level: c_int, optname: c_int, optval: *mut c_char, optlen: *mut c_int, ) -> c_int; pub fn recvfrom( s: SOCKET, buf: *mut c_char, len: c_int, flags: c_int, from: *mut crate::sockaddr, fromlen: *mut c_int, ) -> c_int; pub fn sendto( s: SOCKET, buf: *const c_char, len: c_int, flags: c_int, to: *const crate::sockaddr, tolen: c_int, ) -> c_int; pub fn setsockopt( s: SOCKET, level: c_int, optname: c_int, optval: *const c_char, optlen: c_int, ) -> c_int; pub fn socket(af: c_int, socket_type: c_int, protocol: c_int) -> SOCKET; } cfg_if! { if #[cfg(all(target_env = "gnu"))] { mod gnu; pub use self::gnu::*; } else if #[cfg(all(target_env = "msvc"))] { mod msvc; pub use self::msvc::*; } else { // Unknown target_env } }