pub unsafe extern "C" fn sk_CRYPTO_BUFFER_pop_free(
sk: *mut stack_st_CRYPTO_BUFFER,
free_func: sk_CRYPTO_BUFFER_free_func,
)pub unsafe extern "C" fn sk_CRYPTO_BUFFER_pop_free(
sk: *mut stack_st_CRYPTO_BUFFER,
free_func: sk_CRYPTO_BUFFER_free_func,
)