数据结构图的建立和遍历

#include<iostream>
#include<stdio.h>
#include"conio.h"
#define MaxVertexNum 5
#define m 5
#define NULL 0
typedef struct node
{
int adjvex;
struct node *next;
}JD;
//-------------------------
typedef struct tnode
{
char vexdata;
JD *firstarc;
}TD;
//--------------------------
typedef struct 
{
TD ag[m];
int n;
}ALGRAPH;
//---------------------------
void DFS(ALGRAPH *G,int i);
void  create(ALGRAPH *G)
{
int i,m1,j;
JD *p,*p1;
printf("请输入图的节点个数：\n");//输入图的节点数