sk_pop
LCRYPTO_USED(sk_pop);
(type *)sk_pop(CHECKED_STACK_OF(type, st))
#define sk_OPENSSL_STRING_pop(st) (char *)sk_pop(CHECKED_STACK_OF(OPENSSL_STRING, st))
#define sk_OPENSSL_PSTRING_pop(st) (OPENSSL_STRING *)sk_pop(CHECKED_STACK_OF(OPENSSL_PSTRING, st))
LCRYPTO_ALIAS(sk_pop);
void *sk_pop(_STACK *st);