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.TH "MEMCACHED_EXIST_BY_KEY" "3" "August 02, 2012" "1.0.10" "libmemcached"
.SH NAME
memcached_exist_by_key \- libmemcached Documentation
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.SH SYNOPSIS
.sp
#include <libmemcached/memcached.h>
.INDENT 0.0
.TP
.B memcached_return_t memcached_exist(memcached_st\fI\ *ptr\fP, char\fI\ *key\fP, size_t\fI\ *key_length\fP)
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.B memcached_return_t memcached_exist_by_key(memcached_st\fI\ *ptr\fP, char\fI\ *group_key\fP, size_t\fI\ *group_key_length\fP, char\fI\ *key\fP, size_t\fI\ *key_length\fP)
New in version 0.53.
.UNINDENT
.sp
Compile and link with \-lmemcached
.SH DESCRIPTION
.sp
\fI\%memcached_exist()\fP 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.
.SH RETURN
.sp
\fI\%memcached_exist()\fP sets error to
to \fBMEMCACHED_SUCCESS\fP upon finding that the key exists.
\fBMEMCACHED_NOTFOUND\fP will be return if the key is not found.
.SH HOME
.sp
To find out more information please check:
\fI\%http://libmemcached.org/\fP
.SH SEE ALSO
.sp
\fImemcached(1)\fP \fIlibmemcached(3)\fP \fImemcached_strerror(3)\fP
.SH AUTHOR
Brian Aker
.SH COPYRIGHT
2011, Brian Aker DataDifferential, http://datadifferential.com/
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