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console vs pty (was: Re: First Pass at mintty documentation; etc.)


Chuck Wilson wrote:
"full screen" or "DOS" is a red herring. Any program that does something
like the following, if compiled as a native program, won't work in rxvt
(or MinTTY, or cygwin/cmd-shell-with-CYGWIN=tty):

#include <stdio.h>
main() {
  int c;
  while ((c = getc(stdin)) != EOF) fputc(c, stdout);
}

The thing is, THIS program works as part of a pipeline even when
compiled as a native program -- but it breaks if you try to use it
interactively within rxvt/MinTTY/etc.  A cygwin-compiled version works
in all cases.

I see, thanks for explaining that. What exactly does happen when calling read() that means that pty input doesn't reach the program?


Andy

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