rem: int status = _kern_create(path, O_CREAT | O_TRUNC | O_WRONLY, mode);
add: int status = _kern_open(-1, path, O_CREAT | O_TRUNC | O_WRONLY, mode & ~__gUmask);
context: creat(const char *path, mode_t mode){	int status = _kern_create(path, O_CREAT | O_TRUNC | O_WRONLY, mode);		if (status < 0) {		errno = status;		return -1;	}	return status;}