S_ISGID            95 lib/filemode.c   str[6] = (mode & S_ISGID
S_ISGID           796 lib/set-permissions.c   early_chmod = (! MODE_INSIDE_ACL || (ctx->mode & (S_ISUID | S_ISGID | S_ISVTX)));
S_ISGID           332 lib/sys_stat.in.h #if !S_ISGID