rpc_gss_get_mech_info
return ((*calls.rpc_gss_get_mech_info)(mechanism, service));
char **(*rpc_gss_get_mech_info)();
if ((calls.rpc_gss_get_mech_info = (char **(*)()) dlsym(handle,
char **rpc_gss_get_mech_info(