S_ISFIFO          197 usr/bin/ls/ls.c 	else if (S_ISFIFO(sp->st_mode))
S_ISFIFO          351 usr/bin/test/test.c 		return S_ISFIFO(s.st_mode);
S_ISFIFO          360 usr/server/fs/fifofs/fifo_vnops.c 	if (!S_ISFIFO(mode))