read(fd Int, address Pointer, length Int) -> Int {
	return syscall(0, fd, address, length)
}

write(fd Int, address Pointer, length Int) -> Int {
	return syscall(1, fd, address, length)
}

open(file Pointer, flags Int, mode Int) -> Int {
	return syscall(2, file, flags, mode)
}

close(fd Int) -> Int {
	return syscall(3, fd)
}

mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
	return syscall(9, address, length, protection, flags)
}

munmap(address Pointer, length Int) -> Int {
	return syscall(11, address, length)
}

nanosleep(duration Pointer) -> Int {
	return syscall(35, duration, 0)
}

clone(flags Int, stack Pointer) -> Int {
	return syscall(56, flags, stack)
}

fork() -> Int {
	return syscall(57)
}

execve(path Pointer, argv Pointer, envp Pointer) -> Int {
	return syscall(59, path, argv, envp)
}

exit(status Int) {
	syscall(60, status)
}

getcwd(buffer Pointer, length Int) -> Int {
	return syscall(79, buffer, length)
}

chdir(path Pointer) -> Int {
	return syscall(80, path)
}

rename(old Pointer, new Pointer) -> Int {
	return syscall(82, old, new)
}

mkdir(path Pointer, mode Int) -> Int {
	return syscall(83, path, mode)
}

rmdir(path Pointer) -> Int {
	return syscall(84, path)
}

unlink(file Pointer) -> Int {
	return syscall(87, file)
}

waitid(type Int, id Int, info Pointer, options Int) -> Int {
	return syscall(247, type, id, info, options)
}