[rustc.git] / src / liblibc / src / lib.rs

// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

//! Crate docs

#![allow(bad_style, overflowing_literals, improper_ctypes)]
#![crate_type = "rlib"]
#![crate_name = "libc"]
#![cfg_attr(dox, feature(no_core, lang_items))]
#![cfg_attr(dox, no_core)]
#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
       html_favicon_url = "https://doc.rust-lang.org/favicon.ico")]

#![cfg_attr(all(target_os = "linux", target_arch = "x86_64"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-gnu"
))]
#![cfg_attr(all(target_os = "linux", target_arch = "x86"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/i686-unknown-linux-gnu"
))]
#![cfg_attr(all(target_os = "linux", target_arch = "arm"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/arm-unknown-linux-gnueabihf"
))]
#![cfg_attr(all(target_os = "linux", target_arch = "mips"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/mips-unknown-linux-gnu"
))]
#![cfg_attr(all(target_os = "linux", target_arch = "aarch64"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/aarch64-unknown-linux-gnu"
))]
#![cfg_attr(all(target_os = "linux", target_env = "musl"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-musl"
))]
#![cfg_attr(all(target_os = "macos", target_arch = "x86_64"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-apple-darwin"
))]
#![cfg_attr(all(target_os = "macos", target_arch = "x86"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/i686-apple-darwin"
))]
#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "gnu"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-gnu"
))]
#![cfg_attr(all(windows, target_arch = "x86", target_env = "gnu"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-gnu"
))]
#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "msvc"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-msvc"
))]
#![cfg_attr(all(windows, target_arch = "x86", target_env = "msvc"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-msvc"
))]
#![cfg_attr(target_os = "android", doc(
    html_root_url = "https://doc.rust-lang.org/libc/arm-linux-androideabi"
))]
#![cfg_attr(target_os = "freebsd", doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-freebsd"
))]
#![cfg_attr(target_os = "openbsd", doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-openbsd"
))]
#![cfg_attr(target_os = "bitrig", doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-bitrig"
))]
#![cfg_attr(target_os = "netbsd", doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-netbsd"
))]
#![cfg_attr(target_os = "dragonfly", doc(
    html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-dragonfly"
))]
#![cfg_attr(all(target_os = "emscripten", target_arch = "asmjs"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/asmjs-unknown-emscripten"
))]
#![cfg_attr(all(target_os = "emscripten", target_arch = "wasm32"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/wasm32-unknown-emscripten"
))]
#![cfg_attr(all(target_os = "linux", target_arch = "xparc64"), doc(
    html_root_url = "https://doc.rust-lang.org/libc/sparc64-unknown-linux-gnu"
))]

// Attributes needed when building as part of the standard library
#![cfg_attr(feature = "stdbuild", feature(no_std, staged_api, custom_attribute, cfg_target_vendor))]
#![cfg_attr(feature = "stdbuild", feature(link_cfg))]
#![cfg_attr(feature = "stdbuild", no_std)]
#![cfg_attr(feature = "stdbuild", staged_api)]
#![cfg_attr(feature = "stdbuild", allow(warnings))]
#![cfg_attr(feature = "stdbuild", unstable(feature = "libc",
                               reason = "use `libc` from crates.io",
                               issue = "27783"))]

#![cfg_attr(not(feature = "use_std"), no_std)]

#[cfg(all(not(dox), feature = "use_std"))]
extern crate std as core;

#[macro_use] mod macros;
mod dox;

cfg_if! {
    if #[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))] {
        // empty ...
    } else {

        // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help enable
        // more optimization opportunities around it recognizing things like
        // malloc/free.
        #[repr(u8)]
        pub enum c_void {
            // Two dummy variants so the #[repr] attribute can be used.
            #[doc(hidden)]
            __variant1,
            #[doc(hidden)]
            __variant2,
        }

        pub type int8_t = i8;
        pub type int16_t = i16;
        pub type int32_t = i32;
        pub type int64_t = i64;
        pub type uint8_t = u8;
        pub type uint16_t = u16;
        pub type uint32_t = u32;
        pub type uint64_t = u64;

        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 enum FILE {}
        pub enum fpos_t {} // TODO: fill this out with a struct

        extern {
            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 tolower(c: c_int) -> c_int;
            pub fn toupper(c: c_int) -> c_int;

            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "fopen$UNIX2003")]
            pub fn fopen(filename: *const c_char,
                         mode: *const c_char) -> *mut FILE;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "freopen$UNIX2003")]
            pub fn freopen(filename: *const c_char, mode: *const c_char,
                           file: *mut FILE) -> *mut FILE;
            pub fn 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;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "fputs$UNIX2003")]
            pub fn fputs(s: *const c_char, stream: *mut FILE)-> c_int;
            pub fn puts(s: *const c_char) -> c_int;
            pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
            pub fn fread(ptr: *mut c_void,
                         size: size_t,
                         nobj: size_t,
                         stream: *mut FILE)
                         -> size_t;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "fwrite$UNIX2003")]
            pub fn fwrite(ptr: *const c_void,
                          size: size_t,
                          nobj: size_t,
                          stream: *mut FILE)
                          -> size_t;
            pub fn 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);
            #[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
            pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
            #[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
            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 atoi(s: *const c_char) -> c_int;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "strtod$UNIX2003")]
            pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
            pub fn strtol(s: *const c_char,
                          endp: *mut *mut c_char, base: c_int) -> c_long;
            pub fn strtoul(s: *const c_char, endp: *mut *mut c_char,
                           base: c_int) -> c_ulong;
            pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
            pub fn malloc(size: size_t) -> *mut c_void;
            pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
            pub fn free(p: *mut c_void);
            pub fn abort() -> !;
            pub fn exit(status: c_int) -> !;
            pub fn _exit(status: c_int) -> !;
            pub fn atexit(cb: extern fn()) -> c_int;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "system$UNIX2003")]
            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;
            #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
                       link_name = "strerror$UNIX2003")]
            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;
        }

        // These are all inline functions on android, so they end up just being entirely
        // missing on that platform.
        #[cfg(not(target_os = "android"))]
        extern {
            pub fn abs(i: c_int) -> c_int;
            pub fn atof(s: *const c_char) -> c_double;
            pub fn labs(i: c_long) -> c_long;
            pub fn rand() -> c_int;
            pub fn srand(seed: c_uint);
        }
    }
}

cfg_if! {
    if #[cfg(windows)] {
        mod windows;
        pub use windows::*;
    } else if #[cfg(target_os = "redox")] {
        mod redox;
        pub use redox::*;
    } else if #[cfg(target_os = "fuchisa")] {
        mod fuchsia;
        pub use fuchsia::*;
    } else if #[cfg(unix)] {
        mod unix;
        pub use unix::*;
    } else {
        // Unknown target_family
    }
}
Commit	Line	Data
92a42be0 SL	1	// Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
	2	// file at the top-level directory of this distribution and at
	3	// http://rust-lang.org/COPYRIGHT.
	4	//
	5	// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
	6	// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	7	// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
	8	// option. This file may not be copied, modified, or distributed
	9	// except according to those terms.
	10
	11	//! Crate docs
	12
	13	#![allow(bad_style, overflowing_literals, improper_ctypes)]
	14	#![crate_type = "rlib"]
	15	#![crate_name = "libc"]
	16	#![cfg_attr(dox, feature(no_core, lang_items))]
	17	#![cfg_attr(dox, no_core)]
	18	#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
	19	html_favicon_url = "https://doc.rust-lang.org/favicon.ico")]
	20
	21	#![cfg_attr(all(target_os = "linux", target_arch = "x86_64"), doc(
	22	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-gnu"
	23	))]
	24	#![cfg_attr(all(target_os = "linux", target_arch = "x86"), doc(
	25	html_root_url = "https://doc.rust-lang.org/libc/i686-unknown-linux-gnu"
	26	))]
	27	#![cfg_attr(all(target_os = "linux", target_arch = "arm"), doc(
	28	html_root_url = "https://doc.rust-lang.org/libc/arm-unknown-linux-gnueabihf"
	29	))]
	30	#![cfg_attr(all(target_os = "linux", target_arch = "mips"), doc(
	31	html_root_url = "https://doc.rust-lang.org/libc/mips-unknown-linux-gnu"
	32	))]
	33	#![cfg_attr(all(target_os = "linux", target_arch = "aarch64"), doc(
	34	html_root_url = "https://doc.rust-lang.org/libc/aarch64-unknown-linux-gnu"
	35	))]
	36	#![cfg_attr(all(target_os = "linux", target_env = "musl"), doc(
	37	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-linux-musl"
	38	))]
	39	#![cfg_attr(all(target_os = "macos", target_arch = "x86_64"), doc(
	40	html_root_url = "https://doc.rust-lang.org/libc/x86_64-apple-darwin"
	41	))]
	42	#![cfg_attr(all(target_os = "macos", target_arch = "x86"), doc(
	43	html_root_url = "https://doc.rust-lang.org/libc/i686-apple-darwin"
	44	))]
	45	#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "gnu"), doc(
	46	html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-gnu"
	47	))]
	48	#![cfg_attr(all(windows, target_arch = "x86", target_env = "gnu"), doc(
	49	html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-gnu"
	50	))]
	51	#![cfg_attr(all(windows, target_arch = "x86_64", target_env = "msvc"), doc(
	52	html_root_url = "https://doc.rust-lang.org/libc/x86_64-pc-windows-msvc"
	53	))]
	54	#![cfg_attr(all(windows, target_arch = "x86", target_env = "msvc"), doc(
	55	html_root_url = "https://doc.rust-lang.org/libc/i686-pc-windows-msvc"
	56	))]
9cc50fc6	57	#![cfg_attr(target_os = "android", doc(
92a42be0 SL	58	html_root_url = "https://doc.rust-lang.org/libc/arm-linux-androideabi"
92a42be0 SL	59	))]
9cc50fc6 SL	60	#![cfg_attr(target_os = "freebsd", doc(
	61	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-freebsd"
	62	))]
	63	#![cfg_attr(target_os = "openbsd", doc(
	64	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-openbsd"
	65	))]
	66	#![cfg_attr(target_os = "bitrig", doc(
	67	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-bitrig"
	68	))]
	69	#![cfg_attr(target_os = "netbsd", doc(
	70	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-netbsd"
	71	))]
	72	#![cfg_attr(target_os = "dragonfly", doc(
	73	html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-dragonfly"
	74	))]
3b2f2976 XL	75	#![cfg_attr(all(target_os = "emscripten", target_arch = "asmjs"), doc(
	76	html_root_url = "https://doc.rust-lang.org/libc/asmjs-unknown-emscripten"
	77	))]
	78	#![cfg_attr(all(target_os = "emscripten", target_arch = "wasm32"), doc(
	79	html_root_url = "https://doc.rust-lang.org/libc/wasm32-unknown-emscripten"
	80	))]
	81	#![cfg_attr(all(target_os = "linux", target_arch = "xparc64"), doc(
	82	html_root_url = "https://doc.rust-lang.org/libc/sparc64-unknown-linux-gnu"
	83	))]
92a42be0 SL	84
92a42be0 SL	85	// Attributes needed when building as part of the standard library
3b2f2976 XL	86	#![cfg_attr(feature = "stdbuild", feature(no_std, staged_api, custom_attribute, cfg_target_vendor))]
	87	#![cfg_attr(feature = "stdbuild", feature(link_cfg))]
	88	#![cfg_attr(feature = "stdbuild", no_std)]
	89	#![cfg_attr(feature = "stdbuild", staged_api)]
	90	#![cfg_attr(feature = "stdbuild", allow(warnings))]
	91	#![cfg_attr(feature = "stdbuild", unstable(feature = "libc",
92a42be0 SL	92	reason = "use `libc` from crates.io",
	93	issue = "27783"))]
	94
7453a54e SL	95	#![cfg_attr(not(feature = "use_std"), no_std)]
7453a54e SL	96
3b2f2976	97	#[cfg(all(not(dox), feature = "use_std"))]
92a42be0 SL	98	extern crate std as core;
	99
	100	#[macro_use] mod macros;
	101	mod dox;
	102
abe05a73 XL	103	cfg_if! {
	104	if #[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))] {
	105	// empty ...
	106	} else {
92a42be0	107
abe05a73 XL	108	// Use repr(u8) as LLVM expects `void` to be the same as `i8` to help enable
	109	// more optimization opportunities around it recognizing things like
	110	// malloc/free.
	111	#[repr(u8)]
	112	pub enum c_void {
	113	// Two dummy variants so the #[repr] attribute can be used.
	114	#[doc(hidden)]
	115	__variant1,
	116	#[doc(hidden)]
	117	__variant2,
	118	}
92a42be0	119
abe05a73 XL	120	pub type int8_t = i8;
	121	pub type int16_t = i16;
	122	pub type int32_t = i32;
	123	pub type int64_t = i64;
	124	pub type uint8_t = u8;
	125	pub type uint16_t = u16;
	126	pub type uint32_t = u32;
	127	pub type uint64_t = u64;
92a42be0	128
abe05a73 XL	129	pub type c_schar = i8;
	130	pub type c_uchar = u8;
	131	pub type c_short = i16;
	132	pub type c_ushort = u16;
	133	pub type c_int = i32;
	134	pub type c_uint = u32;
	135	pub type c_float = f32;
	136	pub type c_double = f64;
	137	pub type c_longlong = i64;
	138	pub type c_ulonglong = u64;
	139	pub type intmax_t = i64;
	140	pub type uintmax_t = u64;
92a42be0	141
abe05a73 XL	142	pub type size_t = usize;
	143	pub type ptrdiff_t = isize;
	144	pub type intptr_t = isize;
	145	pub type uintptr_t = usize;
	146	pub type ssize_t = isize;
92a42be0	147
abe05a73 XL	148	pub enum FILE {}
abe05a73 XL	149	pub enum fpos_t {} // TODO: fill this out with a struct
92a42be0	150
abe05a73 XL	151	extern {
	152	pub fn isalnum(c: c_int) -> c_int;
	153	pub fn isalpha(c: c_int) -> c_int;
	154	pub fn iscntrl(c: c_int) -> c_int;
	155	pub fn isdigit(c: c_int) -> c_int;
	156	pub fn isgraph(c: c_int) -> c_int;
	157	pub fn islower(c: c_int) -> c_int;
	158	pub fn isprint(c: c_int) -> c_int;
	159	pub fn ispunct(c: c_int) -> c_int;
	160	pub fn isspace(c: c_int) -> c_int;
	161	pub fn isupper(c: c_int) -> c_int;
	162	pub fn isxdigit(c: c_int) -> c_int;
	163	pub fn tolower(c: c_int) -> c_int;
	164	pub fn toupper(c: c_int) -> c_int;
92a42be0	165
abe05a73 XL	166	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	167	link_name = "fopen$UNIX2003")]
	168	pub fn fopen(filename: *const c_char,
	169	mode: const c_char) -> mut FILE;
	170	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	171	link_name = "freopen$UNIX2003")]
	172	pub fn freopen(filename: const c_char, mode: const c_char,
	173	file: mut FILE) -> mut FILE;
	174	pub fn fflush(file: *mut FILE) -> c_int;
	175	pub fn fclose(file: *mut FILE) -> c_int;
	176	pub fn remove(filename: *const c_char) -> c_int;
	177	pub fn rename(oldname: const c_char, newname: const c_char) -> c_int;
	178	pub fn tmpfile() -> *mut FILE;
	179	pub fn setvbuf(stream: *mut FILE,
	180	buffer: *mut c_char,
	181	mode: c_int,
	182	size: size_t) -> c_int;
	183	pub fn setbuf(stream: mut FILE, buf: mut c_char);
	184	pub fn getchar() -> c_int;
	185	pub fn putchar(c: c_int) -> c_int;
	186	pub fn fgetc(stream: *mut FILE) -> c_int;
	187	pub fn fgets(buf: mut c_char, n: c_int, stream: mut FILE) -> *mut c_char;
	188	pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
	189	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	190	link_name = "fputs$UNIX2003")]
	191	pub fn fputs(s: const c_char, stream: mut FILE)-> c_int;
	192	pub fn puts(s: *const c_char) -> c_int;
	193	pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
	194	pub fn fread(ptr: *mut c_void,
	195	size: size_t,
	196	nobj: size_t,
	197	stream: *mut FILE)
	198	-> size_t;
	199	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	200	link_name = "fwrite$UNIX2003")]
	201	pub fn fwrite(ptr: *const c_void,
	202	size: size_t,
	203	nobj: size_t,
	204	stream: *mut FILE)
	205	-> size_t;
	206	pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
	207	pub fn ftell(stream: *mut FILE) -> c_long;
	208	pub fn rewind(stream: *mut FILE);
	209	#[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
	210	pub fn fgetpos(stream: mut FILE, ptr: mut fpos_t) -> c_int;
	211	#[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
	212	pub fn fsetpos(stream: mut FILE, ptr: const fpos_t) -> c_int;
	213	pub fn feof(stream: *mut FILE) -> c_int;
	214	pub fn ferror(stream: *mut FILE) -> c_int;
	215	pub fn perror(s: *const c_char);
	216	pub fn atoi(s: *const c_char) -> c_int;
	217	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	218	link_name = "strtod$UNIX2003")]
	219	pub fn strtod(s: const c_char, endp: mut *mut c_char) -> c_double;
	220	pub fn strtol(s: *const c_char,
	221	endp: mut mut c_char, base: c_int) -> c_long;
	222	pub fn strtoul(s: const c_char, endp: mut *mut c_char,
	223	base: c_int) -> c_ulong;
	224	pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
	225	pub fn malloc(size: size_t) -> *mut c_void;
	226	pub fn realloc(p: mut c_void, size: size_t) -> mut c_void;
	227	pub fn free(p: *mut c_void);
	228	pub fn abort() -> !;
	229	pub fn exit(status: c_int) -> !;
230	pub fn _exit(status: c_int) -> !;
231	pub fn atexit(cb: extern fn()) -> c_int;
232	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
233	link_name = "system$UNIX2003")]
234	pub fn system(s: *const c_char) -> c_int;
235	pub fn getenv(s: const c_char) -> mut c_char;
92a42be0	236
abe05a73 XL	237	pub fn strcpy(dst: mut c_char, src: const c_char) -> *mut c_char;
	238	pub fn strncpy(dst: mut c_char, src: const c_char, n: size_t)
	239	-> *mut c_char;
	240	pub fn strcat(s: mut c_char, ct: const c_char) -> *mut c_char;
	241	pub fn strncat(s: mut c_char, ct: const c_char, n: size_t) -> *mut c_char;
	242	pub fn strcmp(cs: const c_char, ct: const c_char) -> c_int;
	243	pub fn strncmp(cs: const c_char, ct: const c_char, n: size_t) -> c_int;
	244	pub fn strcoll(cs: const c_char, ct: const c_char) -> c_int;
	245	pub fn strchr(cs: const c_char, c: c_int) -> mut c_char;
	246	pub fn strrchr(cs: const c_char, c: c_int) -> mut c_char;
	247	pub fn strspn(cs: const c_char, ct: const c_char) -> size_t;
	248	pub fn strcspn(cs: const c_char, ct: const c_char) -> size_t;
	249	pub fn strdup(cs: const c_char) -> mut c_char;
	250	pub fn strpbrk(cs: const c_char, ct: const c_char) -> *mut c_char;
	251	pub fn strstr(cs: const c_char, ct: const c_char) -> *mut c_char;
	252	pub fn strlen(cs: *const c_char) -> size_t;
	253	pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
	254	#[cfg_attr(all(target_os = "macos", target_arch = "x86"),
	255	link_name = "strerror$UNIX2003")]
	256	pub fn strerror(n: c_int) -> *mut c_char;
	257	pub fn strtok(s: mut c_char, t: const c_char) -> *mut c_char;
	258	pub fn strxfrm(s: mut c_char, ct: const c_char, n: size_t) -> size_t;
	259	pub fn wcslen(buf: *const wchar_t) -> size_t;
	260	pub fn wcstombs(dest: mut c_char, src: const wchar_t, n: size_t) -> ::size_t;
	261
	262	pub fn memchr(cx: const c_void, c: c_int, n: size_t) -> mut c_void;
	263	pub fn memcmp(cx: const c_void, ct: const c_void, n: size_t) -> c_int;
	264	pub fn memcpy(dest: mut c_void, src: const c_void, n: size_t) -> *mut c_void;
	265	pub fn memmove(dest: mut c_void, src: const c_void, n: size_t) -> *mut c_void;
	266	pub fn memset(dest: mut c_void, c: c_int, n: size_t) -> mut c_void;
	267	}
92a42be0	268
abe05a73 XL	269	// These are all inline functions on android, so they end up just being entirely
	270	// missing on that platform.
	271	#[cfg(not(target_os = "android"))]
	272	extern {
	273	pub fn abs(i: c_int) -> c_int;
	274	pub fn atof(s: *const c_char) -> c_double;
	275	pub fn labs(i: c_long) -> c_long;
	276	pub fn rand() -> c_int;
	277	pub fn srand(seed: c_uint);
	278	}
	279	}
92a42be0 SL	280	}
	281
	282	cfg_if! {
	283	if #[cfg(windows)] {
	284	mod windows;
	285	pub use windows::*;
476ff2be SL	286	} else if #[cfg(target_os = "redox")] {
	287	mod redox;
	288	pub use redox::*;
abe05a73 XL	289	} else if #[cfg(target_os = "fuchisa")] {
	290	mod fuchsia;
	291	pub use fuchsia::*;
54a0048b	292	} else if #[cfg(unix)] {
92a42be0 SL	293	mod unix;
92a42be0 SL	294	pub use unix::*;
54a0048b SL	295	} else {
54a0048b SL	296	// Unknown target_family
92a42be0 SL	297	}
92a42be0 SL	298	}