SIGPIPE           100 src/do_command.c 	sigaction(SIGPIPE, &sa, NULL);
SIGPIPE           212 src/do_command.c 		sigaction(SIGPIPE, &sa, NULL);
SIGPIPE           305 src/do_command.c 		sigaction(SIGPIPE, &sa, NULL);
SIGPIPE           123 src/popen.c    		sigaction(SIGPIPE, &sa, NULL);