249 exit_regerror(int er, regex_t *re, const char *source)  in exit_regerror()  argument
258 	m4errx(1, "regular expression error in %s: %s.", source, errbuf);  in exit_regerror()
330 do_subst(const char *string, regex_t *re, const char *source,  in do_subst()  argument
366 		exit_regerror(error, re, source);  in do_subst()
371 do_regexp(const char *string, regex_t *re, const char *source,  in do_regexp()  argument
384 		exit_regerror(error, re, source);  in do_regexp()
389 do_regexpindex(const char *string, regex_t *re, const char *source,  in do_regexpindex()  argument
402 		exit_regerror(error, re, source);  in do_regexpindex()
486 		const char *source;  in dopatsubst()  local
494 		source = mimic_gnu ? twiddle(argv[3]) : argv[3];  in dopatsubst()
495 		error = regcomp(&re, source, mode);  in dopatsubst()
497 			exit_regerror(error, &re, source);  in dopatsubst()
501 		do_subst(argv[2], &re, source,  in dopatsubst()
515 	const char *source;  in doregexp()  local
528 	source = mimic_gnu ? twiddle(argv[3]) : argv[3];  in doregexp()
529 	error = regcomp(&re, source, REG_EXTENDED|REG_NEWLINE);  in doregexp()
531 		exit_regerror(error, &re, source);  in doregexp()
535 		do_regexpindex(argv[2], &re, source, pmatch);  in doregexp()
537 		do_regexp(argv[2], &re, source, argv[4], pmatch);  in doregexp()