1MEMCACHED_EXIST_BY_KEY(3)    libmemcached-awesome    MEMCACHED_EXIST_BY_KEY(3)
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NAME

6       memcached_exist_by_key - libmemcached Documentation
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SYNOPSIS

9       #include <libmemcached/memcached.h>
10              Compile and link with -lmemcached
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12       memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t
13       *key_length)
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15       memcached_return_t   memcached_exist_by_key(memcached_st   *ptr,   char
16       *group_key, size_t *group_key_length, char *key, size_t *key_length)
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18              Parameters
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20                     • ptr -- pointer to an initialized memcached_st struct
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22                     • group_key -- the key namespace
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24                     • group_key_length -- length of the group_key without any
25                       terminating zero
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27                     • key -- the key to check
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29                     • key_length -- length of the key without any terminating
30                       zero
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32              Returns
33                     memcached_return_t indicating success
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35       New in version 0.53.
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DESCRIPTION

39       memcached_exist() can be used to check if a key exists.
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RETURN VALUE

42       MEMCACHED_SUCCESS
43              The key exists.
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45       MEMCACHED_NOTFOUND
46              The key was not found.
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SEE ALSO

49       memcached(1) libmemcached(3) memcached_strerror(3)
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541.1                              Sep 20, 2021        MEMCACHED_EXIST_BY_KEY(3)
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