fib.c

linux下的Ｃ语言开发

/*-*/
/********************************************************
 * Name:						*
 *	Fibonacci					*
 *							*
 * Purpose:						*
 *	Prints out Fibonacci numbers			*
 *							*
 * Usage:						*
 *	Run it, get the all the Fibonacci numbers 	*
 *	under 100.					*
 ********************************************************/
/*+*/
#include <stdio.h>
int   old_number;     /* previous Fibonacci number */
int   current_number; /* current Fibonacci number */
int   next_number;    /* next number in the series */

int main()
{
    /* start things out */
    old_number = 1;
    current_number = 1;

    printf("1\n");    /* Print first number */

    while (current_number < 100) {

        printf("%d\n", current_number);
        next_number = current_number + old_number;

        old_number = current_number;
        current_number = next_number;
    }
    return (0);
}