getpoints.c

来自「Travelling saleman by C++」· C语言 代码 · 共 33 行

/*
 *  getpoints.c
 *  
 * Phil Cox, B00XXXXXX
 * Login: pcox
 * CSCI2132: Assignment 3
 *
 */

#include <stdlib.h>
#include <stdio.h>
#include "list.h"

struct node *getpoints(void)
{
	/* Read coordinates from standard input 
	   and construct a linked list of points */
	
	struct node *points=NULL, *new;
	double x, y;
	
	while(scanf("%lf%lf",&x,&y) != EOF)
		if ((new = malloc(sizeof(struct node))) == NULL)
			return(NULL);
		else {
			new->x = x;
			new->y = y;
			new->next = points;
			points = new;
		}
	return(points);
}