| >   Especially with interactive mode, it would probably make
| > more sense to use vis(3), so one can see what magic character
| > is there, and not just fold them all into "?".
|  
|  Attached is an updated diff that uses vis(3).

  Looks ok but for two minor points:

  You leak memory with each printescaped() call. I'm not sure it's
worth the bother to free everything after use or add a wrapper for
the output routines.

  sizeof(char) is 1. Always, per definitionem.

	mjl