previous_value   3404 ext/standard/basic_functions.c 	if (pe->previous_value) {
previous_value   3412 ext/standard/basic_functions.c 		putenv(pe->previous_value);
previous_value   3414 ext/standard/basic_functions.c 		efree(pe->previous_value);
previous_value   4122 ext/standard/basic_functions.c 	pe.previous_value = NULL;
previous_value   4127 ext/standard/basic_functions.c 			pe.previous_value = estrdup(*env);
previous_value   4129 ext/standard/basic_functions.c 			pe.previous_value = *env;
previous_value    249 ext/standard/basic_functions.h 	char *previous_value;