pipe              299 src/cmd/cc/lex.c 		if(pipe(fd) < 0) {
pipe              184 src/cmd/dist/plan9.c 		if(pipe(p) < 0)
pipe              186 src/cmd/dist/unix.c 		if(pipe(p) < 0)
pipe               66 src/lib9/rfork.c 			if(pipe(p) < 0)