/* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that: (1) source distributions retain this entire copyright * notice and comment, and (2) distributions including binaries display * the following acknowledgement: ``This product includes software * developed by the University of California, Berkeley and its contributors'' * in the documentation or other materials provided with the distribution * and in all advertising materials mentioning features or use of this * software. Neither the name of the University nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint char copyright[] = "@(#) Copyright (c) 1988 Regents of the University of California.\n\ All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)morse.c 5.2 (Berkeley) 6/1/90"; #endif /* not lint */ #include <stdio.h> #include <ctype.h> static char *digit[] = { "-----", ".----", "..---", "...--", "....-", ".....", "-....", "--...", "---..", "----.", }, *alph[] = { ".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", "-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--..", }; static int sflag; main(argc, argv) int argc; char **argv; { extern char *optarg; extern int optind; register int ch; register char *p; while ((ch = getopt(argc, argv, "s")) != EOF) switch((char)ch) { case 's': sflag = 1; break; case '?': default: fprintf(stderr, "usage: morse [string ...]"); exit(1); } argc -= optind; argv += optind; if (*argv) do { for (p = *argv; *p; ++p) morse((int)*p); } while (*++argv); else while ((ch = getchar()) != EOF) morse(ch); } static morse(c) register int c; { if (isalpha(c)) show(alph[c - (isupper(c) ? 'A' : 'a')]); else if (isdigit(c)) show(digit[c - '0']); else if (c == ',') show("--..--"); else if (c == '.') show(".-.-.-"); else if (isspace(c)) show(" ...\n"); } static show(s) register char *s; { if (sflag) printf(" %s", s); else for (; *s; ++s) printf(" %s", *s == '.' ? "dit" : "daw"); printf(",\n"); }