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Annotation of 43BSD/usr.lib/lib2648/bitcopy.c, revision 1.1.1.1

1.1       root        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: }

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