#include <stdio.h> int main(){   int a = 1;    if (a)      printf("a is true\n");   else      printf("a is false\n");    int b = 0;   if (b)      printf("b is true\n");   else      printf("b is false\n");    return 0;} // vim: set expandtab ts=4 sw=3 sts=3 tw=80 :