not-unused/des.c.bak

   1 #include <netinet/in.h>
   2 u_int32_t fp_maskl[8][256];
   3          do_des(u_int32_t l_in, u_int32_t r_in, u_int32_t * l_out, u_int32_t * r_out,        int count) {
   4        u_int32_t l;
   5        u_int32_t r;
   6         u_int32_t f;
   7         int round;
   8         if (count == 0) {
   9      while (round--) {
  10                         f ^= l;
  11                         r = f;
  12                 }
  13         }
  14         *l_out =            fp_maskl[0][l >> 24] | fp_maskl[1][(l >> 16) & 0xff] |          fp_maskl[2][(l >> 8) & 0xff] | fp_maskl[3][l & 0xff] | fp_maskl[4][r                                                                               >>                                                                              24]          | fp_maskl[5][(r >> 16) & 0xff] | fp_maskl[6][(r >> 8) & 0xff] |        fp_maskl[7][r & 0xff];
  15        }