S_ISUID            90 lib/filemode.c   str[3] = (mode & S_ISUID
S_ISUID           796 lib/set-permissions.c   early_chmod = (! MODE_INSIDE_ACL || (ctx->mode & (S_ISUID | S_ISGID | S_ISVTX)));
S_ISUID           329 lib/sys_stat.in.h #if !S_ISUID