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C

1 program Added 2025-10-22T16:38:50Z Model: x-ai/grok-4-fastTemp: 0.4 Evidence Report issue View issues

Aliases: —

Provenance: commit d9739c1594 · authored 2025-10-22T18:38:50+02:00 · model x-ai/grok-4-fast

Sources mentioning this language

9 sources · pl_id: pl/c

LLM (this repo) · 1 Pldb Linguist Pygments Wikipedia Esolang Hyperpolyglot Rosettacode Wikidata · Q15777

Wikipedia infobox ↗

Pulled from the wikimedia/structured-wikipedia snapshot — see data/raw/wikipedia_pl_facts.*.jsonl and pl_fact.csv for the long-table provenance.

Paradigms	multi-paradigm: imperative (procedural) · structured
Typing	static, weak, manifest, nominal
Designed by	ANSI X3J11 (ANSI C) · ISO/IEC JTC 1 (Joint Technical Committee 1) / SC 22 (Subcommittee 22) / WG 14 (Working Group 14) (ISO C) · Dennis Ritchie
First appeared	1972
Influenced by	B · BCPL · CPL · ALGOL 68 · PL/I · Fortran

Extensions claimed by this language

10 claims. Each row is one upstream assertion with its strength. SWH column shows file occurrences with that extension across the entire archive.

Extension	Source	Strength	SWH
`.c`	linguist	primary	209.3M files
`.c`	pygments	primary	209.3M files
`.c`	wikidata	primary	209.3M files
`.h`	wikidata	primary	269.4M files
`.cats`	linguist	secondary	10.9K files
`.h`	linguist	secondary	269.4M files
`.h`	pygments	secondary	269.4M files
`.idc`	linguist	secondary	7.7K files
`.idc`	pygments	secondary	7.7K files
`.h`	manual_review:acherm	proposed	269.4M files

Real programs from Software Heritage

No SWH evidence indexed yet for this language. (Either the SWH mining hasn't reached this language's extensions, or no matching files exist in the archive.)

Programs collected by LLM agents experimental · unverified

Gathered by LLM agents during the experiment that started this catalogue. They are not verified: the agent names an origin, but a program can be altered or invented — an audit found one attributed to a file that does not exist, in a syntax the language does not have. Prefer the programs archived by Software Heritage above. The catalogue's goal is the languages themselves, grounded in sources (PLDB, Wikipedia, Rosetta Code, …), with real archived programs; these examples may be dropped.

FizzBuzz Program

Origin · Download · manifest.json · Report

Provenance: commit d9739c1594 · authored 2025-10-22T18:38:50+02:00 · model x-ai/grok-4-fast · Temp 0.4

code.c · added: 2025-10-22T16:38:50Z

#include <stdio.h>

int main() {
    int i;
    for (i=1; i<=100; i++) {
        if (i % 15 == 0)
            printf("FizzBuzz\n");
        else if (i % 3 == 0)
            printf("Fizz\n");
        else if (i % 5 == 0)
            printf("Buzz\n");
        else
            printf("%d\n", i);
    }
    return 0;
}

Disambiguation rules

Linguist heuristic rules that predict this language when one of its claimed extensions is shared with another.

Rule	Ext	Kind	Predicates (truncated)
`h/linguist/.h/2`	`.h`	default	`[]`

Contribute — propose a file extension

Tell us where to find evidence about C (mapped to pl/c). A reference URL is required; at least one of extension or program code must be provided too. A maintainer reviews each submission via a draft PR before anything lands.

File extension (optional) — e.g. .oak. Some PLs (e.g. esolangs) have no convention; leave empty if so. Friendly name (optional)

Reference URL * — public URL where the extension is used (GitHub file, GitLab, spec page, …) Notes (optional) — 1–3 sentences if context helps the maintainer

Optional: attach a program from that URL

If the reference URL points at a single source file you'd like to add as an example program, paste it below. The workflow will write it under languages/C/programs/<sha>/. Keep under ~200 lines.

Title (optional) — e.g. "Factorial", "Quicksort" License guess (optional) — MIT, GPL-2.0, …

Code (optional) — paste verbatim bytes from the reference URL

(or open the pre-filled issue directly)