@subheading asn1_number_of_elements @anchor{asn1_number_of_elements} @deftypefun {int} {asn1_number_of_elements} (asn1_node @var{element}, const char * @var{name}, int * @var{num}) @var{element}: pointer to the root of an ASN1 structure. @var{name}: the name of a sub-structure of ROOT. @var{num}: pointer to an integer where the result will be stored Counts the number of elements of a sub-structure called NAME with names equal to "?1","?2", ... @strong{Returns:} @code{ASN1_SUCCESS} if successful, @code{ASN1_ELEMENT_NOT_FOUND} if @code{name} is not known, @code{ASN1_GENERIC_ERROR} if pointer @code{num} is @code{NULL} . @end deftypefun