MEMCACHED_EXIST_BY_KEY(3)

📦
version 1.1.4 · 13 versions
, in fedora 43

💖 MEMCACHED_EXIST_BY_KEY 💖

okay bestie, so this is a page from libmemcached-awesome, and it's literally the whole manual for memcached_exist_by_key — like, the manual name is MEMCACHED_EXIST_BY_KEY(3) and we're all gathered here today to check if a key exists. that's it. that's the vibe. 🦋

✨ NAME ✨

memcached_exist_by_key — the libmemcached documentation for the "does this key exist tho" moment 💅

🌸 SYNOPSIS 🌸

#include <libmemcached/memcached.h>
🎀 Compile and link with -lmemcached — no cap, you gotta do it.
memcached_return_t memcached_exist(memcached_st *ptr, char *key, size_t
*key_length)

memcached_return_t memcached_exist_by_key(memcached_st *ptr, char
*group_key, size_t *group_key_length, char *key, size_t *key_length)

🫶 Parameters

  • ptr — pointer to an initialized memcached_st struct. it's giving "you brought your own struct, slay".
  • group_key — the key namespace. the group chat the key lives in, basically 🫂
  • group_key_length — length of the group_key without any terminating zero. count the letters, not the vibe. ✨
  • key — the key to check. the one we're asking about. main character energy 👑
  • key_length — length of the key without any terminating zero. same deal, no sneaky \0 allowed. 🙈

🦋 Returns

memcached_return_t indicating success ⭐

Added in version 0.53. — so it's been iconic for a minute, iykyk.

🌈 DESCRIPTION 🌈

memcached_exist() can be used to check if a key exists. literally that's the whole job. it's the "hey are you there??" text of the memcached world 😭

💜 RETURN VALUE 💜

  • MEMCACHED_SUCCESS — The key exists. 🎉 it IS there bestie, she showed up!!
  • MEMCACHED_NOTFOUND — The key was not found. 💀 ghosted. left on read. it's not there fr fr.

⭐ SEE ALSO ⭐

💅 fr fr that's everything, don't skip a single one of these, they're all important.

okay so that's the whole page babes — this came to you from libmemcached-awesome version 1.1, dated Jul 24, 2025. 🎀✨ go check your keys, periodt. 💖

📦 where this page comes from