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C/C++ Source or Header  |  1991-06-14  |  278 b   |  18 lines
  1. /*********************************************
  2.     index.c
  3.         
  4.     by Peter Tan
  5. ***********************************************/
  6. #include <stdio.h>
  7.  
  8. char *index(char *s, char c)
  9. {    
  10.     if (s) {
  11.         while(*s!=c && *s++);
  12.         return *s ? s : NULL;
  13.     } else
  14.         return NULL;
  15. }
  16.  
  17.  
  18.