문자반대출력/Microsoft

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~cpp
       char *
       _strrev (string)
             char *string;
             {
             char *start = string;
             char *left = string;
             char ch;

             while (*string++)
                     ;
             string -= 2;
             while (left < string)
                     {
                     ch = *left;
                    *left++ = *string;
                     *string-- = ch;
                     }
             return(start);
             }