source: CIVL/examples/languageFeatures/int2char.cvl

#include <civlc.cvh>
#include <stdio.h>

$input int num;
$assume(num > 0 && num < 255);

$scope root = $here;

void main(){
  char c[3];
  char * pc;
  int b = 98; // 'b'

  pc = (char*)$malloc(root, sizeof(char) * 3);
  c[0] = num;
  c[1] = 'a';
  c[2] = b - 1;

  pc[0] = num;
  pc[1] = b - 1;
  pc[2] = 97;
  //test symbolic int to char
  $assert(c[0] == pc[0]);
  //test if (char)(b-1) == 'a'
  $assert(c[1] == pc[1]);
  //test if (char)(98 - 1) == (char)97 
  $assert(c[2] == pc[2]);
  $free(pc);
}