int auth_heimdal_gssapi_server(auth_instance *ablock, uschar *data) {return 0;}
int auth_heimdal_gssapi_client(auth_instance *ablock, void * sx,
int timeout, uschar *buffer, int buffsize) {return 0;}
int auth_heimdal_gssapi_server(auth_instance *ablock, uschar *data) {return 0;}
int auth_heimdal_gssapi_client(auth_instance *ablock, void * sx,
int timeout, uschar *buffer, int buffsize) {return 0;}