#ifdef
Live, measured metrics for the hashtag #ifdef from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #ifdef
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-28 09:48 UTC1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-28 09:48 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-28 09:48 UTCEverything below is measured over the latest 40 public posts (spanning ~4035 hours).
Posting hours (UTC) — busiest: 13:00
Languages: English (32) · Japanese (4) · German (1) · Portuguese (1)
Avg boosts / post: 2
Top of the latest posts
Celebrating 45 Years of Kermit with the First New C-Kermit Release in 15 Years (and working with a decades-old C codebase) 1981 was a different time for computing. It was expensive (both hardware and software), and it was far from a given t
@ljs pr_warn(“this is not a place of honor\n”); at boot #ifdef
@root 1. system.h: #ifdef MSDOS #include "allegsys.h" #else #include "raysys.h" #endif 2. fun 3. it'll survive longer if it can run in an emulator 4. i have no idea what that would entail
What “ifdef” means
WikipediaThe C preprocessor (CPP) is a text file processor that is used with C, C++ and other programming tools. The preprocessor provides for file inclusion, macro expansion, conditional compilation, and line control. Although named in association with C and used with C, the preprocessor capabilities are not inherently tied to the C language. It can be and is used to process other kinds of files.
“C preprocessor” on Wikipedia (CC BY-SA) →#ifdef across platforms
every network with a public tag surfaceFollow #ifdef straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/ifdef