mirror of
https://github.com/ziglang/zig.git
synced 2024-11-30 17:12:31 +00:00
370 lines
18 KiB
Zig
370 lines
18 KiB
Zig
// SPDX-License-Identifier: MIT
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// Copyright (c) 2015-2021 Zig Contributors
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// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
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// The MIT license requires this copyright notice to be included in all copies
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// and substantial portions of the software.
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const std = @import("std");
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const builtin = std.builtin;
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const page_size = std.mem.page_size;
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pub const tokenizer = @import("c/tokenizer.zig");
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pub const Token = tokenizer.Token;
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pub const Tokenizer = tokenizer.Tokenizer;
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pub const parse = @import("c/parse.zig").parse;
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pub const ast = @import("c/ast.zig");
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pub const builtins = @import("c/builtins.zig");
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test "" {
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_ = tokenizer;
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}
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pub usingnamespace @import("os/bits.zig");
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pub usingnamespace switch (std.Target.current.os.tag) {
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.linux => @import("c/linux.zig"),
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.windows => @import("c/windows.zig"),
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.macos, .ios, .tvos, .watchos => @import("c/darwin.zig"),
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.freebsd, .kfreebsd => @import("c/freebsd.zig"),
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.netbsd => @import("c/netbsd.zig"),
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.dragonfly => @import("c/dragonfly.zig"),
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.openbsd => @import("c/openbsd.zig"),
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.haiku => @import("c/haiku.zig"),
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.hermit => @import("c/hermit.zig"),
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.solaris => @import("c/solaris.zig"),
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.fuchsia => @import("c/fuchsia.zig"),
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.minix => @import("c/minix.zig"),
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.emscripten => @import("c/emscripten.zig"),
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else => struct {},
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};
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pub fn getErrno(rc: anytype) u16 {
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if (rc == -1) {
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return @intCast(u16, _errno().*);
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} else {
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return 0;
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}
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}
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/// The return type is `type` to force comptime function call execution.
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/// TODO: https://github.com/ziglang/zig/issues/425
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/// If not linking libc, returns struct{pub const ok = false;}
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/// If linking musl libc, returns struct{pub const ok = true;}
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/// If linking gnu libc (glibc), the `ok` value will be true if the target
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/// version is greater than or equal to `glibc_version`.
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/// If linking a libc other than these, returns `false`.
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pub fn versionCheck(glibc_version: builtin.Version) type {
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return struct {
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pub const ok = blk: {
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if (!builtin.link_libc) break :blk false;
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if (std.Target.current.abi.isMusl()) break :blk true;
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if (std.Target.current.isGnuLibC()) {
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const ver = std.Target.current.os.version_range.linux.glibc;
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const order = ver.order(glibc_version);
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break :blk switch (order) {
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.gt, .eq => true,
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.lt => false,
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};
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} else {
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break :blk false;
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}
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};
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};
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}
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pub extern "c" var environ: [*:null]?[*:0]u8;
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pub extern "c" fn fopen(noalias filename: [*:0]const u8, noalias modes: [*:0]const u8) ?*FILE;
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pub extern "c" fn fclose(stream: *FILE) c_int;
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pub extern "c" fn fwrite(noalias ptr: [*]const u8, size_of_type: usize, item_count: usize, noalias stream: *FILE) usize;
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pub extern "c" fn fread(noalias ptr: [*]u8, size_of_type: usize, item_count: usize, noalias stream: *FILE) usize;
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pub extern "c" fn printf(format: [*:0]const u8, ...) c_int;
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pub extern "c" fn abort() noreturn;
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pub extern "c" fn exit(code: c_int) noreturn;
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pub extern "c" fn _exit(code: c_int) noreturn;
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pub extern "c" fn isatty(fd: fd_t) c_int;
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pub extern "c" fn close(fd: fd_t) c_int;
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pub extern "c" fn lseek(fd: fd_t, offset: off_t, whence: c_int) off_t;
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pub extern "c" fn open(path: [*:0]const u8, oflag: c_uint, ...) c_int;
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pub extern "c" fn openat(fd: c_int, path: [*:0]const u8, oflag: c_uint, ...) c_int;
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pub extern "c" fn ftruncate(fd: c_int, length: off_t) c_int;
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pub extern "c" fn raise(sig: c_int) c_int;
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pub extern "c" fn read(fd: fd_t, buf: [*]u8, nbyte: usize) isize;
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pub extern "c" fn readv(fd: c_int, iov: [*]const iovec, iovcnt: c_uint) isize;
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pub extern "c" fn pread(fd: fd_t, buf: [*]u8, nbyte: usize, offset: u64) isize;
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pub extern "c" fn preadv(fd: c_int, iov: [*]const iovec, iovcnt: c_uint, offset: u64) isize;
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pub extern "c" fn writev(fd: c_int, iov: [*]const iovec_const, iovcnt: c_uint) isize;
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pub extern "c" fn pwritev(fd: c_int, iov: [*]const iovec_const, iovcnt: c_uint, offset: u64) isize;
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pub extern "c" fn write(fd: fd_t, buf: [*]const u8, nbyte: usize) isize;
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pub extern "c" fn pwrite(fd: fd_t, buf: [*]const u8, nbyte: usize, offset: u64) isize;
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pub extern "c" fn mmap(addr: ?*align(page_size) c_void, len: usize, prot: c_uint, flags: c_uint, fd: fd_t, offset: u64) *c_void;
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pub extern "c" fn munmap(addr: *align(page_size) c_void, len: usize) c_int;
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pub extern "c" fn mprotect(addr: *align(page_size) c_void, len: usize, prot: c_uint) c_int;
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pub extern "c" fn unlink(path: [*:0]const u8) c_int;
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pub extern "c" fn unlinkat(dirfd: fd_t, path: [*:0]const u8, flags: c_uint) c_int;
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pub extern "c" fn getcwd(buf: [*]u8, size: usize) ?[*]u8;
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pub extern "c" fn waitpid(pid: c_int, stat_loc: *c_uint, options: c_uint) c_int;
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pub extern "c" fn fork() c_int;
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pub extern "c" fn access(path: [*:0]const u8, mode: c_uint) c_int;
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pub extern "c" fn faccessat(dirfd: fd_t, path: [*:0]const u8, mode: c_uint, flags: c_uint) c_int;
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pub extern "c" fn pipe(fds: *[2]fd_t) c_int;
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pub extern "c" fn pipe2(fds: *[2]fd_t, flags: u32) c_int;
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pub extern "c" fn mkdir(path: [*:0]const u8, mode: c_uint) c_int;
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pub extern "c" fn mkdirat(dirfd: fd_t, path: [*:0]const u8, mode: u32) c_int;
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pub extern "c" fn symlink(existing: [*:0]const u8, new: [*:0]const u8) c_int;
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pub extern "c" fn symlinkat(oldpath: [*:0]const u8, newdirfd: fd_t, newpath: [*:0]const u8) c_int;
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pub extern "c" fn rename(old: [*:0]const u8, new: [*:0]const u8) c_int;
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pub extern "c" fn renameat(olddirfd: fd_t, old: [*:0]const u8, newdirfd: fd_t, new: [*:0]const u8) c_int;
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pub extern "c" fn chdir(path: [*:0]const u8) c_int;
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pub extern "c" fn fchdir(fd: fd_t) c_int;
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pub extern "c" fn execve(path: [*:0]const u8, argv: [*:null]const ?[*:0]const u8, envp: [*:null]const ?[*:0]const u8) c_int;
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pub extern "c" fn dup(fd: fd_t) c_int;
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pub extern "c" fn dup2(old_fd: fd_t, new_fd: fd_t) c_int;
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pub extern "c" fn readlink(noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize;
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pub extern "c" fn readlinkat(dirfd: fd_t, noalias path: [*:0]const u8, noalias buf: [*]u8, bufsize: usize) isize;
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pub usingnamespace switch (builtin.os.tag) {
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.macos, .ios, .watchos, .tvos => struct {
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pub const realpath = @"realpath$DARWIN_EXTSN";
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pub const fstatat = _fstatat;
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},
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else => struct {
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pub extern "c" fn realpath(noalias file_name: [*:0]const u8, noalias resolved_name: [*]u8) ?[*:0]u8;
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pub extern "c" fn fstatat(dirfd: fd_t, path: [*:0]const u8, stat_buf: *libc_stat, flags: u32) c_int;
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},
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};
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pub extern "c" fn rmdir(path: [*:0]const u8) c_int;
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pub extern "c" fn getenv(name: [*:0]const u8) ?[*:0]u8;
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pub extern "c" fn sysctl(name: [*]const c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
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pub extern "c" fn sysctlbyname(name: [*:0]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
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pub extern "c" fn sysctlnametomib(name: [*:0]const u8, mibp: ?*c_int, sizep: ?*usize) c_int;
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pub extern "c" fn tcgetattr(fd: fd_t, termios_p: *termios) c_int;
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pub extern "c" fn tcsetattr(fd: fd_t, optional_action: TCSA, termios_p: *const termios) c_int;
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pub extern "c" fn fcntl(fd: fd_t, cmd: c_int, ...) c_int;
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pub extern "c" fn flock(fd: fd_t, operation: c_int) c_int;
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pub extern "c" fn ioctl(fd: fd_t, request: c_int, ...) c_int;
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pub extern "c" fn uname(buf: *utsname) c_int;
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pub extern "c" fn gethostname(name: [*]u8, len: usize) c_int;
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pub extern "c" fn shutdown(socket: fd_t, how: c_int) c_int;
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pub extern "c" fn bind(socket: fd_t, address: ?*const sockaddr, address_len: socklen_t) c_int;
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pub extern "c" fn socketpair(domain: c_uint, sock_type: c_uint, protocol: c_uint, sv: *[2]fd_t) c_int;
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pub extern "c" fn listen(sockfd: fd_t, backlog: c_uint) c_int;
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pub extern "c" fn getsockname(sockfd: fd_t, noalias addr: *sockaddr, noalias addrlen: *socklen_t) c_int;
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pub extern "c" fn connect(sockfd: fd_t, sock_addr: *const sockaddr, addrlen: socklen_t) c_int;
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pub extern "c" fn accept(sockfd: fd_t, noalias addr: ?*sockaddr, noalias addrlen: ?*socklen_t) c_int;
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pub extern "c" fn accept4(sockfd: fd_t, noalias addr: ?*sockaddr, noalias addrlen: ?*socklen_t, flags: c_uint) c_int;
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pub extern "c" fn getsockopt(sockfd: fd_t, level: u32, optname: u32, noalias optval: ?*c_void, noalias optlen: *socklen_t) c_int;
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pub extern "c" fn setsockopt(sockfd: fd_t, level: u32, optname: u32, optval: ?*const c_void, optlen: socklen_t) c_int;
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pub extern "c" fn send(sockfd: fd_t, buf: *const c_void, len: usize, flags: u32) isize;
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pub extern "c" fn sendto(
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sockfd: fd_t,
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buf: *const c_void,
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len: usize,
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flags: u32,
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dest_addr: ?*const sockaddr,
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addrlen: socklen_t,
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) isize;
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pub extern fn recv(sockfd: fd_t, arg1: ?*c_void, arg2: usize, arg3: c_int) isize;
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pub extern fn recvfrom(
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sockfd: fd_t,
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noalias buf: *c_void,
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len: usize,
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flags: u32,
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noalias src_addr: ?*sockaddr,
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noalias addrlen: ?*socklen_t,
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) isize;
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pub usingnamespace switch (builtin.os.tag) {
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.netbsd => struct {
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pub const clock_getres = __clock_getres50;
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pub const clock_gettime = __clock_gettime50;
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pub const fstat = __fstat50;
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pub const getdents = __getdents30;
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pub const getrusage = __getrusage50;
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pub const gettimeofday = __gettimeofday50;
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pub const nanosleep = __nanosleep50;
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pub const sched_yield = __libc_thr_yield;
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pub const sigaction = __sigaction14;
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pub const sigaltstack = __sigaltstack14;
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pub const sigprocmask = __sigprocmask14;
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pub const stat = __stat50;
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},
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.macos, .ios, .watchos, .tvos => struct {
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// XXX: close -> close$NOCANCEL
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// XXX: getdirentries -> _getdirentries64
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pub extern "c" fn clock_getres(clk_id: c_int, tp: *timespec) c_int;
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pub extern "c" fn clock_gettime(clk_id: c_int, tp: *timespec) c_int;
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pub const fstat = _fstat;
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pub extern "c" fn getrusage(who: c_int, usage: *rusage) c_int;
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pub extern "c" fn gettimeofday(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int;
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pub extern "c" fn nanosleep(rqtp: *const timespec, rmtp: ?*timespec) c_int;
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pub extern "c" fn sched_yield() c_int;
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pub extern "c" fn sigaction(sig: c_int, noalias act: ?*const Sigaction, noalias oact: ?*Sigaction) c_int;
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pub extern "c" fn sigprocmask(how: c_int, noalias set: ?*const sigset_t, noalias oset: ?*sigset_t) c_int;
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pub extern "c" fn socket(domain: c_uint, sock_type: c_uint, protocol: c_uint) c_int;
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pub extern "c" fn stat(noalias path: [*:0]const u8, noalias buf: *libc_stat) c_int;
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},
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.windows => struct {
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// TODO: copied the else case and removed the socket function (because its in ws2_32)
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// need to verify which of these is actually supported on windows
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pub extern "c" fn clock_getres(clk_id: c_int, tp: *timespec) c_int;
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pub extern "c" fn clock_gettime(clk_id: c_int, tp: *timespec) c_int;
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pub extern "c" fn fstat(fd: fd_t, buf: *libc_stat) c_int;
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pub extern "c" fn getrusage(who: c_int, usage: *rusage) c_int;
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pub extern "c" fn gettimeofday(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int;
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pub extern "c" fn nanosleep(rqtp: *const timespec, rmtp: ?*timespec) c_int;
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pub extern "c" fn sched_yield() c_int;
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pub extern "c" fn sigaction(sig: c_int, noalias act: ?*const Sigaction, noalias oact: ?*Sigaction) c_int;
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pub extern "c" fn sigprocmask(how: c_int, noalias set: ?*const sigset_t, noalias oset: ?*sigset_t) c_int;
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pub extern "c" fn stat(noalias path: [*:0]const u8, noalias buf: *libc_stat) c_int;
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},
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else => struct {
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pub extern "c" fn clock_getres(clk_id: c_int, tp: *timespec) c_int;
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pub extern "c" fn clock_gettime(clk_id: c_int, tp: *timespec) c_int;
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pub extern "c" fn fstat(fd: fd_t, buf: *libc_stat) c_int;
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pub extern "c" fn getrusage(who: c_int, usage: *rusage) c_int;
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pub extern "c" fn gettimeofday(noalias tv: ?*timeval, noalias tz: ?*timezone) c_int;
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pub extern "c" fn nanosleep(rqtp: *const timespec, rmtp: ?*timespec) c_int;
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pub extern "c" fn sched_yield() c_int;
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pub extern "c" fn sigaction(sig: c_int, noalias act: ?*const Sigaction, noalias oact: ?*Sigaction) c_int;
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pub extern "c" fn sigprocmask(how: c_int, noalias set: ?*const sigset_t, noalias oset: ?*sigset_t) c_int;
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pub extern "c" fn socket(domain: c_uint, sock_type: c_uint, protocol: c_uint) c_int;
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pub extern "c" fn stat(noalias path: [*:0]const u8, noalias buf: *libc_stat) c_int;
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},
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};
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pub extern "c" fn kill(pid: pid_t, sig: c_int) c_int;
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pub extern "c" fn getdirentries(fd: fd_t, buf_ptr: [*]u8, nbytes: usize, basep: *i64) isize;
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pub extern "c" fn setuid(uid: uid_t) c_int;
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pub extern "c" fn setgid(gid: gid_t) c_int;
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pub extern "c" fn seteuid(euid: uid_t) c_int;
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pub extern "c" fn setegid(egid: gid_t) c_int;
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pub extern "c" fn setreuid(ruid: uid_t, euid: uid_t) c_int;
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pub extern "c" fn setregid(rgid: gid_t, egid: gid_t) c_int;
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pub extern "c" fn setresuid(ruid: uid_t, euid: uid_t, suid: uid_t) c_int;
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pub extern "c" fn setresgid(rgid: gid_t, egid: gid_t, sgid: gid_t) c_int;
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pub extern "c" fn malloc(usize) ?*c_void;
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pub extern "c" fn realloc(?*c_void, usize) ?*c_void;
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pub extern "c" fn free(?*c_void) void;
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pub extern "c" fn futimes(fd: fd_t, times: *[2]timeval) c_int;
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pub extern "c" fn utimes(path: [*:0]const u8, times: *[2]timeval) c_int;
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pub extern "c" fn utimensat(dirfd: fd_t, pathname: [*:0]const u8, times: *[2]timespec, flags: u32) c_int;
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pub extern "c" fn futimens(fd: fd_t, times: *const [2]timespec) c_int;
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pub extern "c" fn pthread_create(noalias newthread: *pthread_t, noalias attr: ?*const pthread_attr_t, start_routine: fn (?*c_void) callconv(.C) ?*c_void, noalias arg: ?*c_void) c_int;
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pub extern "c" fn pthread_attr_init(attr: *pthread_attr_t) c_int;
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pub extern "c" fn pthread_attr_setstack(attr: *pthread_attr_t, stackaddr: *c_void, stacksize: usize) c_int;
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pub extern "c" fn pthread_attr_setstacksize(attr: *pthread_attr_t, stacksize: usize) c_int;
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pub extern "c" fn pthread_attr_setguardsize(attr: *pthread_attr_t, guardsize: usize) c_int;
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pub extern "c" fn pthread_attr_destroy(attr: *pthread_attr_t) c_int;
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pub extern "c" fn pthread_self() pthread_t;
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pub extern "c" fn pthread_join(thread: pthread_t, arg_return: ?*?*c_void) c_int;
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pub extern "c" fn pthread_atfork(
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prepare: ?fn () callconv(.C) void,
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parent: ?fn () callconv(.C) void,
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child: ?fn () callconv(.C) void,
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) c_int;
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pub extern "c" fn sem_init(sem: *sem_t, pshared: c_int, value: c_uint) c_int;
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pub extern "c" fn sem_destroy(sem: *sem_t) c_int;
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pub extern "c" fn sem_post(sem: *sem_t) c_int;
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pub extern "c" fn sem_wait(sem: *sem_t) c_int;
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pub extern "c" fn sem_trywait(sem: *sem_t) c_int;
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pub extern "c" fn sem_timedwait(sem: *sem_t, abs_timeout: *const timespec) c_int;
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pub extern "c" fn sem_getvalue(sem: *sem_t, sval: *c_int) c_int;
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pub extern "c" fn kqueue() c_int;
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pub extern "c" fn kevent(
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kq: c_int,
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changelist: [*]const Kevent,
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nchanges: c_int,
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eventlist: [*]Kevent,
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nevents: c_int,
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timeout: ?*const timespec,
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) c_int;
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pub extern "c" fn getaddrinfo(
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noalias node: [*:0]const u8,
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noalias service: [*:0]const u8,
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noalias hints: *const addrinfo,
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noalias res: **addrinfo,
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) EAI;
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pub extern "c" fn freeaddrinfo(res: *addrinfo) void;
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pub extern "c" fn getnameinfo(
|
|
noalias addr: *const sockaddr,
|
|
addrlen: socklen_t,
|
|
noalias host: [*]u8,
|
|
hostlen: socklen_t,
|
|
noalias serv: [*]u8,
|
|
servlen: socklen_t,
|
|
flags: u32,
|
|
) EAI;
|
|
|
|
pub extern "c" fn gai_strerror(errcode: EAI) [*:0]const u8;
|
|
|
|
pub extern "c" fn poll(fds: [*]pollfd, nfds: nfds_t, timeout: c_int) c_int;
|
|
pub extern "c" fn ppoll(fds: [*]pollfd, nfds: nfds_t, timeout: ?*const timespec, sigmask: ?*const sigset_t) c_int;
|
|
|
|
pub extern "c" fn dn_expand(
|
|
msg: [*:0]const u8,
|
|
eomorig: [*:0]const u8,
|
|
comp_dn: [*:0]const u8,
|
|
exp_dn: [*:0]u8,
|
|
length: c_int,
|
|
) c_int;
|
|
|
|
pub const PTHREAD_MUTEX_INITIALIZER = pthread_mutex_t{};
|
|
pub extern "c" fn pthread_mutex_lock(mutex: *pthread_mutex_t) c_int;
|
|
pub extern "c" fn pthread_mutex_unlock(mutex: *pthread_mutex_t) c_int;
|
|
pub extern "c" fn pthread_mutex_trylock(mutex: *pthread_mutex_t) c_int;
|
|
pub extern "c" fn pthread_mutex_destroy(mutex: *pthread_mutex_t) c_int;
|
|
|
|
pub const PTHREAD_COND_INITIALIZER = pthread_cond_t{};
|
|
pub extern "c" fn pthread_cond_wait(noalias cond: *pthread_cond_t, noalias mutex: *pthread_mutex_t) c_int;
|
|
pub extern "c" fn pthread_cond_timedwait(noalias cond: *pthread_cond_t, noalias mutex: *pthread_mutex_t, noalias abstime: *const timespec) c_int;
|
|
pub extern "c" fn pthread_cond_signal(cond: *pthread_cond_t) c_int;
|
|
pub extern "c" fn pthread_cond_broadcast(cond: *pthread_cond_t) c_int;
|
|
pub extern "c" fn pthread_cond_destroy(cond: *pthread_cond_t) c_int;
|
|
|
|
pub const pthread_t = *opaque {};
|
|
pub const FILE = opaque {};
|
|
|
|
pub extern "c" fn dlopen(path: [*:0]const u8, mode: c_int) ?*c_void;
|
|
pub extern "c" fn dlclose(handle: *c_void) c_int;
|
|
pub extern "c" fn dlsym(handle: ?*c_void, symbol: [*:0]const u8) ?*c_void;
|
|
|
|
pub extern "c" fn sync() void;
|
|
pub extern "c" fn syncfs(fd: c_int) c_int;
|
|
pub extern "c" fn fsync(fd: c_int) c_int;
|
|
pub extern "c" fn fdatasync(fd: c_int) c_int;
|
|
|
|
pub extern "c" fn prctl(option: c_int, ...) c_int;
|
|
|
|
pub extern "c" fn getrlimit(resource: rlimit_resource, rlim: *rlimit) c_int;
|
|
pub extern "c" fn setrlimit(resource: rlimit_resource, rlim: *const rlimit) c_int;
|
|
|
|
pub extern "c" fn fmemopen(noalias buf: ?*c_void, size: usize, noalias mode: [*:0]const u8) ?*FILE;
|
|
|
|
pub extern "c" fn syslog(priority: c_int, message: [*:0]const u8, ...) void;
|
|
pub extern "c" fn openlog(ident: [*:0]const u8, logopt: c_int, facility: c_int) void;
|
|
pub extern "c" fn closelog() void;
|
|
pub extern "c" fn setlogmask(maskpri: c_int) c_int;
|
|
|
|
pub const max_align_t = if (std.Target.current.abi == .msvc)
|
|
f64
|
|
else if (std.Target.current.isDarwin())
|
|
c_longdouble
|
|
else
|
|
extern struct {
|
|
a: c_longlong,
|
|
b: c_longdouble,
|
|
};
|