/*
Program: STRIP.C
Author : Kim Moser
Date   : 9/7/1991
System : IBM PC / Borland Turbo-C 2.0
Descrip: Copies stdin to stdout, stripping characters specified.

Usage  : STRIP {<ASCII_VALUE_TO_STRIP>}
*/

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <io.h>
#include <fcntl.h>

static void usage(void);
static void usage(void)
{
	fputs("\
usage: strip [<ASCII_value_to_strip> ...]\n\
copies stdin to stdout, stripping specified ASCII values.\n\
Specified values must be in the range 0-255.\n\
", stderr);
	exit(-1);
}

void main(int argc, char **argv)
{
	int *array;
	int ch, i;

	setmode(fileno(stdin), O_BINARY);
	setmode(fileno(stdout), O_BINARY);

	if ((array = (int*) malloc(argc * sizeof(*array))) == NULL) {
		fprintf(stderr, "malloc(%d) failed.\n", argc*sizeof(*array));
		exit(-1);
	}

	for (i=1; i<argc; i++) {
		if (!isdigit(argv[i][0])) usage();
		ch = array[i-1] = atoi(argv[i]);
		if (ch < 0 || ch > 255) usage();
	}

	while ((ch = getchar()) != EOF) {
		for (i=0; i<argc-1; i++) {
			if (ch == array[i]) break;
		}
		if (i >= argc-1) {
			/* Character not found */
			putchar(ch);
		}
	}

	free(array);
}