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@subheading asn1_get_length_ber
@anchor{asn1_get_length_ber}
@deftypefun {long} {asn1_get_length_ber} (const unsigned char * @var{ber}, int @var{ber_len}, int * @var{len})
@var{ber}: BER data to decode.
@var{ber_len}: Length of BER data to decode.
@var{len}: Output variable containing the length of the BER length field.
Extract a length field from BER data. The difference to
@code{asn1_get_length_der()} is that this function will return a length
even if the value has indefinite encoding.
@strong{Returns:} Return the decoded length value, or negative value when
the value was too big.
@strong{Since:} 2.0
@end deftypefun
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