@deftypefun {size_t} {gnutls_record_overhead_size} (gnutls_session_t @var{session})
@var{session}: is @code{gnutls_session_t} 

This function will return the set size in bytes of the overhead
due to TLS (or DTLS) per record.

@strong{Since:} 3.2.2
@end deftypefun