/***************************************************************************
*
* Copyright 2001,2011,2013 by Sean Conner.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Comments, questions and criticisms can be sent to: sean@conman.org
*
*************************************************************************/

#include <stddef.h>
#include <assert.h>

char *remove_char(char *s,int (*tstchar)(int))
{
  char *ret = s;
  char *d   = s;
  
  assert(s != NULL);
  assert(tstchar);   /* can function pointers be compared to NULL? */
  
  for ( ; *s ; s++)
    if (!(*tstchar)(*s)) *d++ = *s;
    
  *d = '\0';
  return(ret);
}

.