+int gl_search_field (graph_ident_field_t field, /* {{{ */
+ const char *field_value,
+ graph_inst_callback_t callback, void *user_data)
+{
+ size_t i;
+
+ if ((field_value == NULL) || (callback == NULL))
+ return (EINVAL);
+
+ for (i = 0; i < gl_active_num; i++)
+ {
+ int status;
+
+ status = graph_inst_search_field (gl_active[i],
+ field, field_value,
+ /* callback = */ callback,
+ /* user data = */ user_data);
+ if (status != 0)
+ return (status);
+ }
+
+ return (0);
+} /* }}} int gl_search_field */
+