S_ISUID          2772 include/linux/fs.h 	return (mode & S_ISUID) || ((mode & S_ISGID) && (mode & S_IXGRP));
S_ISUID             9 include/linux/stat.h #define S_IALLUGO	(S_ISUID|S_ISGID|S_ISVTX|S_IRWXUGO)