153 static const char *outfname;  variable
530 		perror_msg("%s.%u", outfname, tcp->pid);  in outf_perror()
532 		perror_msg("%s", outfname);  in outf_perror()
656 	else if (nprocs > 1 && !outfname)  in printleader()
723 		xsprintf(name, "%s.%u", outfname, tcp->pid);  in after_successful_attach()
1675 			outfname = optarg;  in init()
1844 	if (outfname) {  in init()
1846 		if (outfname[0] == '|' || outfname[0] == '!') {  in init()
1854 			shared_log = strace_popen(outfname + 1);  in init()
1856 			shared_log = strace_fopen(outfname);  in init()
1857 		} else if (strlen(outfname) >= PATH_MAX - sizeof(int) * 3) {  in init()
1859 			perror_msg_and_die("%s", outfname);  in init()
1867 	if (!outfname || outfname[0] == '|' || outfname[0] == '!') {  in init()
1879 	if (outfname && argc) {  in init()
1929 	print_pid_pfx = (outfname && followfork < 2 && (followfork == 1 || nprocs > 1));  in init()