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#ifndef lint static char Rcs_Id[] = "$Id: sq.c,v 1.12 1994/01/25 07:12:09 geoff Exp $"; #endif /* * Copyright 1993, Geoff Kuenning, Granada Hills, CA * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All modifications to the source code must be clearly marked as * such. Binary redistributions based on modified source code * must be clearly marked as modified versions in the documentation * and/or other materials provided with the distribution. * 4. All advertising materials mentioning features or use of this software * must display the following acknowledgment: * This product includes software developed by Geoff Kuenning and * other unpaid contributors. * 5. The name of Geoff Kuenning may not be used to endorse or promote * products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY GEOFF KUENNING AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL GEOFF KUENNING OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * $Log: sq.c,v $ * Revision 1.12 1994/01/25 07:12:09 geoff * Get rid of all old RCS log lines in preparation for the 3.1 release. * */ #include <stdio.h> #ifdef __STDC__ #define P(x) x #else /* __STDC__ */ #define P(x) () #endif /* __STDC__ */ int main P ((int argc, char * argv[])); static void trunc P ((char * word, char * prev)); /* * The following table encodes prefix sizes as a single character. A * matching table will be found in unsq.c. */ static char size_encodings[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', /* 00-09 */ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', /* 10-19 */ 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 20-29 */ 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', /* 30-39 */ 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', /* 40-49 */ 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', /* 50-59 */ 'y', 'z' /* 60-61 */ }; #define MAX_PREFIX (sizeof (size_encodings) - 1) int main (argc, argv) int argc; char * argv[]; { char word[257]; static char prev[257] = ""; while (gets (word) != NULL) trunc (word, prev); return 0; } static void trunc (word, prev) char * word; char * prev; { register char * wordp; register char * prevp; register int same_count; wordp = word; prevp = prev; for (same_count = 0; *wordp == *prevp++; ++wordp, ++same_count) ; if (same_count>MAX_PREFIX) same_count = MAX_PREFIX; (void) putchar (size_encodings[same_count]); (void) puts (wordp); (void) strcpy (prev, word); }
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