125 make_version_name(const char *file, int version)  in make_version_name()  argument
129 	if (asprintf(&backup_name, "%s.~%d~", file, version) == -1)  in make_version_name()
142 	int		version;  in version_number()  local
145 	version = 0;  in version_number()
148 			version = version * 10 + *p - '0';  in version_number()
150 			version = 0;  in version_number()
152 	return version;  in version_number()
235 get_version(const char *version)  in get_version()  argument
239 	if (version == NULL || *version == '\0')  in get_version()
241 	i = argmatch(version, backup_args);  in get_version()
244 	invalid_arg("version control type", version, i);  in get_version()