113 ex(struct assignment *a, const char *fmt, ...)  in ex()  function
154 	    ex(a, "unknown name %s", a->name);  in check_option()
159 	ex(as, "neither long nor short option");  in check_option()
163 	ex(as, "either of long or name option must be used");  in check_option()
167 	ex(as, "multiple long options");  in check_option()
171 	ex(as, "multiple short options");  in check_option()
175 	ex(as, "multiple types");  in check_option()
179 	ex(as, "multiple arguments");  in check_option()
183 	ex(as, "multiple help strings");  in check_option()
187 	ex(as, "multiple default values");  in check_option()
220 			ex(a, "unknown name: %s", a->name);  in check_command()
225 		ex(as, "no command name");  in check_command()
229 		ex(as, "multiple function names");  in check_command()
233 		ex(as, "multiple help strings");  in check_command()
237 		ex(as, "multiple argument strings");  in check_command()
241 		ex(as, "multiple min_args strings");  in check_command()
245 		ex(as, "multiple max_args strings");  in check_command()
459     ex(type, "unknown type \"%s\"", type->u.value);  in find_handler()
603 		    ex(tmp, "min_args is not numeric");  in gen_wrapper()
607 		    ex(tmp, "min_args must be non-negative");  in gen_wrapper()
614 		    ex(tmp, "max_args is not numeric");  in gen_wrapper()
618 		    ex(tmp, "max_args must be non-negative");  in gen_wrapper()