This file is colon.def, from which is created colon.c.
It implements the builtin ":" in Bash.

Copyright (C) 1987, 1989, 1991 Free Software Foundation, Inc.

This file is part of GNU Bash, the Bourne Again SHell.

Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 1, or (at your option) any later
version.

Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING.  If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

$PRODUCES colon.c

$BUILTIN :
$DOCNAME colon_builtin
$FUNCTION colon_builtin
$SHORT_DOC :
No effect; the command does nothing.  A zero exit code is returned.
$END

$BUILTIN true
$DOCNAME true_builtin
$FUNCTION colon_builtin
$SHORT_DOC true
Return a successful result.
$END

$BUILTIN false
$DOCNAME false_builtin
$FUNCTION false_builtin
$SHORT_DOC false
Return an unsuccessful result.
$END

/* Return a successful result. */
int
colon_builtin (ignore)
     char *ignore;
{
  return (0);
}

/* Return an unsuccessful result. */
int
false_builtin (ignore)
     char *ignore;
{
  return (1);
}
