
global errno: i32;
@shared stderr: ?FILE;
@shared stdin: ?FILE;
@shared stdout: ?FILE;

alias FILE for ptr;
alias DIR for ptr
alias libc_addrinfo_fix for libc_gen_addrinfo

fn malloc(size: uint) ptr;
fn free(adr: ptr) i32;

fn exit(code: i32) void $exit;
fn signal(signum: i32, handler: ?fnRef(i32)()) void;
fn raise(sig: i32) i32;
fn __errno_location() ptr;
fn getenv(key: cstring) ?cstring;
fn sysconf(name: i32) int;

fn sync() void;
fn read(fd: i32, buf: ptr, size: uint) int;
fn write(fd: i32, data: ptr, length: uint) i32;
fn open(path: ptr, flags: i32, @infinite) i32;
fn close(fd: i32) i32;

fn getcwd(buf: cstring, size: uint) ?cstring;
fn chdir(path: cstring) i32;

fn recv(fd: i32, buf: ptr, len: uint, flags: i32) int;
fn send(fd: i32, buf: ptr, len: uint, flags: i32) int;

fn pipe(fds: &[i32 x 2]) i32;
fn fcntl(fd: i32, action: i32, @infinite) i32;

fn socket(domain: i32, type: i32, protocol: i32) i32;
fn connect(sockfd: i32, addr: libc_sockaddr, addrlen: u32) i32;
fn accept(sockfd: i32, addr: ?libc_sockaddr, addrlen: ?ptr) i32;
fn accept4(sockfd: i32, addr: ?libc_sockaddr, addrlen: ?ptr, flags: i32) i32;
fn shutdown(sockfd: i32, how: i32) i32;
fn bind(sockfd: i32, addr: libc_sockaddr, addrlen: u32) i32;
fn listen(sockfd: i32, backlog: i32) i32;

fn getsockopt(sockfd: i32, level: i32, optname: i32, optval: ptr, optlen: u32) i32;
fn setsockopt(sockfd: i32, level: i32, optname: i32, optval: ptr, optlen: u32) i32;
fn getaddrinfo(host: ptr, port: ptr, hints: libc_addrinfo, res: ptr) i32;
fn freeaddrinfo(info: libc_addrinfo) i32;

fn poll(fds: ptr, nfds: u32, timeout: i32) i32;

fn epoll_create(size: i32) i32;
fn epoll_wait(epfd: i32, events: ptr, maxevents: i32, timeout: i32) i32;
fn epoll_ctl(epfd: i32, op: i32, fd: i32, event: libc_epoll_event) i32;

fn nanosleep(req: libc_timespec, rem: libc_timespec) i32;
fn srand(seed: u32);
fn rand() i32;

// Files
fn stat(path: cstring, stat_buf: libc_stat) i32;
fn fstat(fd: i32, stat_buf: libc_stat) i32;
fn lstat(path: cstring, stat_buf: libc_stat) i32;
fn access(path: cstring, mode: i32) i32;

fn opendir(name: cstring) ?DIR;
fn readdir(dirp: DIR) ?libc_dirent;
fn closedir(dirp: DIR) i32;
fn mkdir(pathname: cstring, mode: u32) i32;
fn rmdir(pathname: cstring) i32;
fn realpath(dir: ptr, buf: ptr) cstring;

fn rename(oldpath: cstring, newpath: cstring) i32;
fn link(oldpath: cstring, newpath: cstring) i32;
fn unlink(pathname: cstring) i32;
fn symlink(target: cstring, linkpath: cstring) i32;
fn readlink(pathname: cstring, buf: ptr, bufsiz: uint) int;

// Process
fn popen(cmd: cstring, type: cstring) ?FILE;
fn pclose(stream: FILE) i32;
fn fgets(buffer: cstring, size: i32, stream: FILE) ?cstring;

// Time
fn gettimeofday(tv: libc_timeval, tz: ?libc_timezone) i32;
fn settimeofday(tv: libc_timeval, tz: ?libc_timezone) i32;

fn eventfd(initval: u32, flags: i32) i32;