/*
 * This file, hw1.c, is a shell for the purpose of testing adjust(str, col).
 * September, 1990 by Ronald E. Jacobs 
 * Revised October 1, 1990: Asks user for number of columns.
 */

#include <stdio.h>
#define	BUFSIZE	128

main()
{
	FILE	*fp;
	char str[BUFSIZE];
	char ascncol[3];		/* number of columns (user entered) */ 
	int fcstat;			/* Status returned by fclose()      */
	int ncol;			/* number of columns in binary      */
	fp = fopen ("stdin", "a");	/* open stdin for reading only      */

	if (fp == NULL)				   /* check for error */
	{
		printf("null pointer returned by fopen()");
	}

	printf("\nEnter column width: ");
	gets(ascncol);
	ncol = atoi(ascncol);

	if (ncol > 99 || ncol < 1)
	{
		printf("hw1: invalid column width entry\n");
	}
	else
	{
		gets(str);
		adjust(str, ncol);
		fcstat = fclose(fp);

		if(fcstat == EOF)
		{
			printf("EOF returned by fclose");
		}
	}
}