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[] = "@(#)zermat.c 5.1 (Berkeley) 04/26/85"; 9 #endif not lint 10 11 /* 12 * zermat: set a matrix to all zeros 13 */ 14 15 #include "bit.h" 16 17 zermat(m, rows, cols) 18 bitmat m; 19 int rows, cols; 20 { 21 register int size = ((cols + 7) >> 3) * rows; 22 register char *p; 23 24 for (p = &m[size]; p>=m; ) 25 *--p = 0; 26 } 27