4.3BSD - /usr/src/usr.lib/lib2648/bitcopy.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)bitcopy.c	5.1 (Berkeley) 4/26/85";
   9: #endif not lint
  10: 
  11: /*
  12:  * Copy from msrc to mdest.
  13:  * This is done as it is because it would be much slower to do it
  14:  * a bit at a time.
  15:  */
  16: 
  17: #include "bit.h"
  18: 
  19: bitcopy(mdest, msrc, rows, cols)
  20: bitmat mdest, msrc;
  21: int rows, cols;
  22: {
  23:     register int size = ((cols + 7) >> 3) * rows;
  24:     register char *p, *q;
  25: 
  26:     for (p = &mdest[size], q = &msrc[size]; p>=mdest; )
  27:         *--p = *--q;
  28: }

Defined functions

Defined variables