total.c

linux下的Ｃ语言开发

/*-*/
/********************************************************
 * Program:						*
 *	Total						*
 *							*
 * Purpose:						*
 *	Compute the total of a list of numbers.		*
 *							*
 * Usage:						*
 *	Run the program.  Type in the numbers one at a	*
 *	time.  When you reach the end, type a 0 to	*
 *	exit the program.				*
 ********************************************************/
/*+*/
#include <stdio.h>
char  line[100];/* line of data for input */
int   total;  	/* Running total of all numbers so far */
int   item;   	/* next item to add to the list */

int main()
{
    total = 0;
    while (1) {
        printf("Enter # to add \n");
        printf("  or 0 to stop:");

        fgets(line, sizeof(line), stdin);
        sscanf(line, "%d", &item);

        if (item == 0)
            break;

        total += item;
        printf("Total: %d\n", total);
    }
    printf("Final total %d\n", total);
    return (0);
}