1 2 3 4 5@deftypefun {size_t} {gnutls_record_check_pending} (gnutls_session_t @var{session}) 6@var{session}: is a @code{gnutls_session_t} type. 7 8This function checks if there are unread data 9in the gnutls buffers. If the return value is 10non-zero the next call to @code{gnutls_record_recv()} 11is guaranteed not to block. 12 13@strong{Returns:} Returns the size of the data or zero. 14@end deftypefun 15