skeeto

// Summarize a numeric sequence
// Ref: https://old.reddit.com/r/commandline/comments/11hw06b
// Ref: https://github.com/ahmedakef/summarize
// This is free and unencumbered software released into the public domain.
#include <float.h>
#include <stdio.h>
#include <stdlib.h>

typedef struct { 
    double sum, err;

skeeto

// libtool-compatibility cmd.exe wrapper
// Converts libtool's Cygwin-style "cmd //c ..." to "cmd /c ..."
//   $ cc -nostartfiles -o cmd.exe cmd.c
// This is free and unencumbered software released into the public domain.

#define MAX_PATH 260
#define COUNTOF(a) (int)(sizeof(a) / sizeof(0[a]))
#define FATAL "cmd.exe (fake): CreateProcessW() failed\n"
#define CMDEXE "\\cmd.exe"

skeeto

// $ cc -nostartfiles example.c
// $ cl example.c /link /subsystem:console kernel32.lib
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <xinput.h>

struct gamepad {
    void  (*XInputEnable)(BOOL);
    DWORD (*XInputSetState)(DWORD, XINPUT_VIBRATION *);
    DWORD (*XInputGetState)(DWORD, XINPUT_STATE *);

skeeto

// $ cc -nostartfiles -o child.exe child.c
// $ cl child.c /link /subsystem:console kernel32.lib
#define WIN32_LEAN_AND_MEAN
#include <windows.h>

int mainCRTStartup(void)
{
    HANDLE stdin  = GetStdHandle(STD_INPUT_HANDLE);
    HANDLE stdout = GetStdHandle(STD_OUTPUT_HANDLE);
    for (;;) {

skeeto

// $ cc -Isrc/hin -Isrc/system -Iexternal/basic/include \
//      hin9.c -luring -lz $(pkg-config lua-5.3 --cflags --libs)
// Ref: https://gitlab.com/tiotags/hin9
// Ref: https://old.reddit.com/r/linux/comments/zl2vm1
#define _GNU_SOURCE
#define HIN_USE_CGI
#include "external/basic/basic_args.c"
#include "external/basic/basic_endianness.c"
#include "external/basic/basic_hashtable.c"
#include "external/basic/basic_lists.c"

skeeto

// Generates a random city adjacency list
// Ref: https://old.reddit.com/r/C_Programming/comments/zgdxqr
// This is free and unencumbered software released into the public domain.
#include <stdio.h>
#include <time.h>

#define NCITIES 1000
#define NEDGES  (NCITIES*10)

static int randint(unsigned long long *s, int n)

skeeto

#!/bin/sh
set -xe

dir="$(mktemp -d "${TMPDIR:-/tmp}/iso-XXXXXX")"
cleanup() {
    rm -rf -- "$dir"
}
trap cleanup EXIT

todos >$dir/autorun.inf <<EOF

skeeto

// Find the @vocab element in an activity stream
// Ref: https://mccue.dev/pages/12-3-22-practical-advent
#include <string.h>

struct buf {
    char *buf;
    int len, off;
};

struct tok {

skeeto

// Approximate Random Gaussian Generator
//   $ cc -O3 -fopenmp -o randn randn.c -lm
//   $ ./randn
// Ref: https://old.reddit.com/r/algorithms/comments/yyz59u
// This is free and unencumbered software released into the public domain.
#include <math.h>
#include <stdint.h>
#include <stdio.h>

struct kahan { double sum, err; };

skeeto

// Fuzz test for Jsonic
//   $ afl-gcc -m32 -fsanitize=address,undefined fuzz.c jsonic.c
//   $ afl-fuzz -m800 -iexamples/heroes -oout ./a.out
// https://github.com/rohanrhu/jsonic
// This is free and unencumbered software released into the public domain.
#include <stdio.h>
#include <stdlib.h>
#include "jsonic.h"

static int explore(jsonic_node_t *root, char *buf)