entrigraph1

Usage

Overview

This program converts a C program to use trigraphs. A trigraph is a three character sequence that encodes a single character. A trigraph begins with two question marks. The third character is `/' (the trigraph means `\'), '(' (`['), ')' (`]'), '<' (`{'), '>' (`}'), '!' (`|'), ''' (`^'), '-' (`~'), '=' (`/'), or '/' (`\').