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/* 
 * Program to display a file assuming tab stops are at 4 character 
 * Intervals. By redirecting the output from this program to the 
 * printer, you may properly print the MICRO-C listings. 
 * 
 * In MICRO-C, the operation "a && b" is defined as returning zero 
 * without evaluating "b" if "a" evaluates to zero, otherwise "b" 
 * is evaluated and returned. 
 * 
 * The statement "j = (chr != '\n') && j+1" shows how && (or ||) may 
 * be used to create a very efficent conditional expression in MICRO-C. 
 * NOTE that this is not "standard", and is NOT PORTABLE. The more 
 * conventional equivalent is: "j = (chr != '\n') ? j+1 : 0" 
 * 
 * Copyright 1989,1990 Dave Dunfield 
 * All rights reserved. 
 */ 
#include \mc\stdio.h 
 
#define TAB_SIZE	4		/* tab spacing */ 
 
main(argc, argv) 
	int argc; 
	char *argv[]; 
{ 
	int i, j, chr; 
	FILE *fp; 
 
	if(argc < 2) 
		abort("\nUse: type4 \n"); 
 
	for(i=1; i < argc; ++i) { 
		if(fp = fopen(argv[i], "r")) { 
			j = 0; 
			while((chr = getc(fp)) != EOF) { 
				if(chr == '\t') {			/* tab */ 
					do 
						putc(' ', stdout); 
					while(++j % TAB_SIZE); } 
				else {						/* not a tab */ 
					j = (chr != '\n') && j+1;	/* see opening comment */ 
					putc(chr, stdout); } } 
			fclose(fp); } 
		else { 
			fputs(argv[i], stderr); 
			fputs(": Unable to access\n", stderr); } } 
}