ae-s

#include <ctype.h>
#include <stdio.h>

void hexdump(void *ptr, int buflen) {
  unsigned char *buf = (unsigned char*)ptr;
  int i, j;
  for (i=0; i<buflen; i+=16) {
    printf("%06x: ", i);
    for (j=0; j<16; j++) 
      if (i+j < buflen)

ae-s

#!/bin/bash

display -sample 600 $1 2>&1 >/dev/null &
viewer_pid=$!
sleep 0.5

echo '===='
echo 'What is the date shown? YYYY-MM-DD'
read -p 'date> ' -e -i "$date" date

ae-s

$ gcc switch-foo.c -o switch-foo
$ ./switch-foo 
Got 1 for 1
$