/* * Copyright (c) 1993 W. Richard Stevens. All rights reserved. * Permission to use or modify this software and its documentation only for * educational purposes and without fee is hereby granted, provided that * the above copyright notice appear in all copies. The author makes no * representations about the suitability of this software for any purpose. * It is provided "as is" without express or implied warranty. */ #include "sock.h" #include void pattern(char *ptr, int len) { char c; c = 0; while(len-- > 0) { while(isprint((c & 0x7F)) == 0) c++; /* skip over nonprinting characters */ *ptr++ = (c++ & 0x7F); } }