Alternative operator representations (C version)

trigraphs.c

/*
  Reference
  * http://en.cppreference.com/w/cpp/language/operator_alternative
  $ clang trigraphs.c
 */

%:include <stdio.h>
%:include <stdbool.h>
%:include <iso646.h>

int main(int argc, char *argv<::>)
<%
  bool val_a = true;
  bool val_b = false;
  bool tmp_val = val_a and val_b;
  printf("%d\n", tmp_val);
%>