#include <stdio.h>
#include <xfn/xfn.h>
#include <string.h>
#include <stdlib.h>
/*
 This routine returns the list of names
 bound under the given context (ctx_name).
 Examples of ctx_name are "user", "thisorgunit/service",
	host/alto/service, user/jsmit/service/calendar, etc.,
*/
typedef struct fns_listing {
	char *name;
	struct fns_listing *next;
} fns_listing;
fns_listing *
fns_list_names(const char *ctx_name)
{
	FN_status_t *status;
	FN_ctx_t *initial_context;
	FN_composite_name_t *context_name;
	FN_namelist_t *name_list;
	FN_string_t *name;
	unsigned int stat;
	fns_listing *head = 0, *current, *prev;
	int no_names = 0;
	status = fn_status_create();
	/* Obtain the initial context */
	initial_context = fn_ctx_handle_from_initial(0, status);
	if (!fn_status_is_success(status)) {
		fprintf(stderr, "Unable to obtain intial context\n");
		return (0);
	}
	context_name = fn_composite_name_from_str((unsigned char *)
                  ctx_name);
	/* FNS call to list names */
	name_list = fn_ctx_list_names(initial_context, context_name,
               status);
	if (!fn_status_is_success(status)) {
		fprintf(stderr, "Unable to list names\n");
		return (0);
	}
	/* Obtain the names individually */
	while (name = fn_namelist_next(name_list, status)) {
		no_names++;
		current = (fns_listing *) malloc(sizeof(fns_listing));
		current->name = (char *)
		 malloc(strlen((char *) fn_string_str(name, &stat)) + 1);
		strcpy(current->name, (char *) fn_string_str(name, &stat));
		current->next = 0;
		if (head) {
			prev->next = current;
			prev = current;
		} else {
			head = current;
			prev = current;
		}
		fn_string_destroy(name);
	}
	fn_namelist_destroy(name_list);
	fn_status_destroy(status);
	fn_ctx_destroy(initial_context);
	return (head);