174 	char *env, *nxt;  in fw_getenv()  local
176 	for (env = environment.data; *env; env = nxt + 1) {  in fw_getenv()
179 		for (nxt = env; *nxt; ++nxt) {  in fw_getenv()
186 		val = envmatch (name, env);  in fw_getenv()
200 	char *env, *nxt;  in fw_getdefenv()  local
202 	for (env = default_environment; *env; env = nxt + 1) {  in fw_getdefenv()
205 		for (nxt = env; *nxt; ++nxt) {  in fw_getdefenv()
212 		val = envmatch(name, env);  in fw_getdefenv()
269 		char *env, *nxt;  in fw_printenv()  local
270 		for (env = environment.data; *env; env = nxt + 1) {  in fw_printenv()
271 			for (nxt = env; *nxt; ++nxt) {  in fw_printenv()
279 			printf ("%s\n", env);  in fw_printenv()
350 	char *env, *nxt;  in fw_env_write()  local
357 	for (nxt = env = environment.data; *env; env = nxt + 1) {  in fw_env_write()
358 		for (nxt = env; *nxt; ++nxt) {  in fw_env_write()
366 		if ((oldval = envmatch (name, env)) != NULL)  in fw_env_write()
414 			*env = '\0';  in fw_env_write()
417 				*env = *nxt++;  in fw_env_write()
418 				if ((*env == '\0') && (*nxt == '\0'))  in fw_env_write()
420 				++env;  in fw_env_write()
423 		*++env = '\0';  in fw_env_write()
433 	for (env = environment.data; *env || *(env + 1); ++env);  in fw_env_write()
434 	if (env > environment.data)  in fw_env_write()
435 		++env;  in fw_env_write()
444 	if (len > (&environment.data[ENV_SIZE] - env)) {  in fw_env_write()
451 	while ((*env = *name++) != '\0')  in fw_env_write()
452 		env++;  in fw_env_write()
453 	*env = '=';  in fw_env_write()
454 	while ((*++env = *value++) != '\0')  in fw_env_write()
458 	*++env = '\0';  in fw_env_write()