diplodocus.org Git - nmh/blob - sbr/r1bindex.c

   1
   2 /*
   3  * r1bindex.c -- Given a string and a character, return a pointer
   4  *            -- to the right of the rightmost occurrence of the
   5  *            -- character.  If the character doesn't occur, the
   6  *            -- pointer will be at the beginning of the string.
   7  *
   8  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   9  * COPYRIGHT file in the root directory of the nmh distribution for
  10  * complete copyright information.
  11  */
  12
  13 #include <h/mh.h>
  14
  15 char *
  16 r1bindex(char *str, int chr)
  17 {
  18     char *r;
  19
  20     if (!chr)
  21         return str; /* Match old behaviour, don't know if it's used. */
  22
  23     r = strrchr(str, chr);
  24     if (r)
  25         return r + 1;
  26
  27     return str;
  28 }