dtwalk.c

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#include <cdt/dthdr.h>
 
/*      Walk a dictionary and all dictionaries viewed through it.
**      userf:  user function
**
**      Written by Kiem-Phong Vo (5/25/96)
*/
 
int dtwalk(Dt_t *dt, int (*userf)(void *, void *), void *data) {
  int rv;
 
  for (void *obj = dtfirst(dt); obj;) {
    void *const next = dtnext(dt, obj);
    if ((rv = userf(obj, data)) < 0)
      return rv;
    obj = next;
  }
  return 0;
}