@deftypefun {void} {gnutls_certificate_set_verify_flags} (gnutls_certificate_credentials_t         @var{res}, unsigned int @var{flags})
@var{res}: is a gnutls_certificate_credentials_t type

@var{flags}: are the flags

This function will set the flags to be used for verification 
of certificates and override any defaults.  The provided flags must be an OR of the
@code{gnutls_certificate_verify_flags}  enumerations. 
@end deftypefun