34 	int err;  in main()  local
77 	err = regcomp(&re, argv[optind++], copts);  in main()
78 	if (err) {  in main()
79 		len = regerror(err, &re, erbuf, sizeof(erbuf));  in main()
81 		    eprint(err), len, sizeof(erbuf), erbuf);  in main()
95 	err = regexec(&re, argv[optind], (size_t)NS, subs, eopts);  in main()
96 	if (err) {  in main()
97 		len = regerror(err, &re, erbuf, sizeof(erbuf));  in main()
99 		    eprint(err), len, sizeof(erbuf), erbuf);  in main()
212 	int err, i, nshould;  in try()  local
221 	err = regcomp(&re, f0copy, opts);  in try()
222 	if (err != 0 && (!opt('C', f1) || err != efind(f2))) {  in try()
224 		len = regerror(err, &re, erbuf, sizeof(erbuf));  in try()
226 		    line, type, eprint(err), len, sizeof(erbuf), erbuf);  in try()
228 	} else if (err == 0 && opt('C', f1)) {  in try()
233 		err = 1;	/* so we won't try regexec */  in try()
236 	if (err != 0) {  in try()
250 	err = regexec(&re, f2copy, NSUBS, subs, options('e', f1));  in try()
252 	if (err != 0 && (f3 != NULL || err != REG_NOMATCH)) {  in try()
254 		len = regerror(err, &re, erbuf, sizeof(erbuf));  in try()
256 		    line, type, eprint(err), len, sizeof(erbuf), erbuf);  in try()
258 	} else if (err != 0) {  in try()
265 		err = 1;		/* just on principle */  in try()
271 		err = 1;  in try()
274 	if (err != 0 || f4 == NULL) {  in try()
292 			err = 1;  in try()
465 eprint(int err)  in eprint()  argument
470 	len = regerror(REG_ITOA|err, (regex_t *)NULL, epbuf, sizeof(epbuf));  in eprint()