rem: return vfs_open(buffer, omode, true);
add: return file_open(buffer, omode, true);
context: sys_open(const char *path, int omode){	char buffer[SYS_MAX_PATH_LEN+1];	strncpy(buffer, path, SYS_MAX_PATH_LEN);	buffer[SYS_MAX_PATH_LEN] = 0;	return vfs_open(buffer, omode, true);}