fork() -> Int {
	return syscall(0x2000002)
}

read(fd Int, address Pointer, length Int) -> Int {
	return syscall(0x2000003, fd, address, length)
}

write(fd Int, address Pointer, length Int) -> Int {
	return syscall(0x2000004, fd, address, length)
}

open(file Pointer, flags Int, mode Int) -> Int {
	return syscall(0x2000005, file, flags, mode)
}

close(fd Int) -> Int {
	return syscall(0x2000006, fd)
}

mmap(address Int, length Int, protection Int, flags Int) -> Pointer {
	return syscall(0x20000C5, address, length, protection, flags)
}

munmap(address Pointer, length Int) -> Int {
	return syscall(0x2000049, address, length)
}

execve(path Pointer, argv Pointer, envp Pointer) -> Int {
	return syscall(0x2000059, path, argv, envp)
}

exit(status Int) {
	syscall(0x2000001, status)
}