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()
180 			if (nxt >= &environment.data[ENV_SIZE]) {  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()
206 			if (nxt >= &default_environment[ENV_SIZE]) {  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()
272 				if (nxt >= &environment.data[ENV_SIZE]) {  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()
359 			if (nxt >= &environment.data[ENV_SIZE]) {  in fw_env_write()
413 		if (*++nxt == '\0') {  in fw_env_write()
417 				*env = *nxt++;  in fw_env_write()
418 				if ((*env == '\0') && (*nxt == '\0'))  in fw_env_write()