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)
}