-===========================
-Determine if a keys exists.
-===========================
+Determine if a keys exists
+==========================
-.. index:: object: memcached_st
-
---------
SYNOPSIS
--------
-
#include <libmemcached/memcached.h>
-
-.. c:function:: memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t *key_length)
+ Compile and link with -lmemcached
-.. c:function:: memcached_return_t memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length)
+.. function:: memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t *key_length)
- .. versionadded:: 0.53
+.. function:: memcached_return_t memcached_exist_by_key(memcached_st *ptr, char *group_key, size_t *group_key_length, char *key, size_t *key_length)
-Compile and link with -lmemcached
+ :param ptr: pointer to an initialized `memcached_st` struct
+ :param group_key: the key namespace
+ :param group_key_length: length of the `group_key` without any terminating zero
+ :param key: the key to check
+ :param key_length: length of the `key` without any terminating zero
+ :returns: `memcached_return_t` indicating success
+.. versionadded:: 0.53
------------
DESCRIPTION
-----------
-:c:func:`memcached_exist()` can be used to check to see if a key exists. No value is returned if the key exists, or does not exist, on the server.
-
+:func:`memcached_exist()` can be used to check if a key exists.
-------
-RETURN
-------
+RETURN VALUE
+------------
-:c:func:`memcached_exist()` sets error to
-to :c:type:`MEMCACHED_SUCCESS` upon finding that the key exists.
-:c:type:`MEMCACHED_NOTFOUND` will be return if the key is not found.
+`MEMCACHED_SUCCESS`
+ The key exists.
+`MEMCACHED_NOTFOUND`
+ The key was not found.
-----
-HOME
-----
-
-To find out more information please check:
-`http://libmemcached.org/ <http://libmemcached.org/>`_
-
-
---------
SEE ALSO
--------
-:manpage:`memcached(1)` :manpage:`libmemcached(3)` :manpage:`memcached_strerror(3)`
+.. only:: man
+
+ :manpage:`memcached(1)`
+ :manpage:`libmemcached(3)`
+ :manpage:`memcached_strerror(3)`
+.. only:: html
+ * :manpage:`memcached(1)`
+ * :doc:`../libmemcached`
+ * :doc:`memcached_strerror`