lib/msvcrt/string/strrev.c

   1 #include <msvcrt/string.h>
   2
   3 /*
   4  * @implemented
   5  */
   6 char * _strrev(char *s)
   7 {
   8         char a, *b, *e;
   9         b=e=s;
  10         while (*e)
  11                 e++;
  12         e--; /* start at last char, not NULL char */
  13         while ( b < e )
  14         {
  15                 a=*b;
  16                 *b=*e;
  17                 *e=a;
  18                 b++;
  19                 e--;
  20         }
  21         return s; /* return ptr to beginning of string */
  22 }