scan1.c

/*
 * simple program using scanf to read an integer
 * it has problems
 *
 * Matt Bishop, ECS 36A
 * 
 * April 22, 2024
 *	first version
 */
#include <stdio.h>

/*
 * the program
 */
int main(void)
{
	int n;	/* what is read */

	/* try to read an integer, looping until you do */
	while(scanf("%d", &n) != 1){
		/* you didn't; report an error */
		fprintf(stderr, "Enter a positive integer\n");
	}

	/* say what was read, and quit */
	printf("I read %d\n", n);
	return(0);
}

Matt Bishop Office: 2209 Watershed Sciences Phone: +1 (530) 752-8060 Email: [email protected]

ECS 36A, Programming & Problem Solving Version of April 2, 2024 at 12:13PM

You can get the raw source code here.