Re: [Nmh-workers] Compiler warnings and signed vs. unsigned char, again

[Paul Vixie]

Lyndon Nerenberg wrote:

On 2013-02-05, at 11:05 AM, David Levine wrote:

2) use char everywhere internally, and cast (to unsigned
  char) arguments to ctype macros to prevent incorrect sign
  extension.

This is the only sane solution, IMO.

+1.