env_val
struct env_val *env_entry;
struct env_val *env_entry;
if ((env_entry = malloc(sizeof(struct env_val))) == NULL) {
SLIST_ENTRY(env_val) entry;
SLIST_HEAD(env_head, env_val);
struct env_val *env;
struct env_val *env_entry;
struct env_val *env_entry;
if ((env_entry = malloc(sizeof(struct env_val))) == NULL) {
SLIST_ENTRY(env_val) entry;
struct env_val *env_entry;
SLIST_HEAD(env_head, env_val);