MEMCACHED_SET_USER_DATA(3)

✨ MEMCACHED_SET_USER_DATA ✨

okay bestie, welcome to the libmemcached-awesome corner of the manual, section 3, and today's main character is memcached_set_user_data 💅 this one's from the MEMCACHED_SET_USER_DATA(3) page and it's literally just about stashing your own little pointer inside a memcached_st. cute, right? 🎀

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🌸 NAME 🌸

memcached_set_user_data — libmemcached Documentation

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🦋 SYNOPSIS 🦋

#include <libmemcached/memcached.h>

Compile and link with -lmemcached

void *memcached_get_user_data(memcached_st *ptr)

Parameters

• ptr — pointer to initialized memcached_st struct

Returns

• opaque pointer to the user supplied data

void *memcached_set_user_data(memcached_st *ptr, void *data)

Parameters

• ptr — pointer to initialized memcached_st struct
• data — opaque pointer to user supplied data

Returns

• opaque pointer to the previously set data

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💖 DESCRIPTION 💖

so here's the tea ☕ libmemcached lets you store a pointer to your own user specific data right inside the memcached_st structure. like, a little pocket in there that's all yours 🫶

memcached_set_user_data() is the one that sets the user specific data in the memcached_st structure.

memcached_get_user_data() is the one that gets the user specific data back out of the memcached_st structure.

set it, get it, slay it. periodt. 💅

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👑 RETURN VALUE 👑

memcached_set_user_data() returns the previous value of the user specific data.

memcached_get_user_data() returns the current value of the user specific data.

ngl the "previous value" thing is the iconic part — you're not getting nothing back, you're getting what was there before you swapped it in. iykyk 🔥

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🌈 SEE ALSO 🌈

• memcached(1)
• libmemcached(3)

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version 1.1 🌸 dated Jul 24, 2025 — that's the whole page bestie, go set some user data and be the main character of your own memcached_st 💖✨🎀🦋