menu.c

#include<stdio.h>
#include<stdlib.h>
#include "linklist.h"
int help();
int quit();
#define CMD_MAX_LEN 128
#define DESC_LEN 1024
#define CMD_NUM 10
static tDataNode head[]=
{
    {"help",   "this is help cmd!",help,&head[1]},
    {"version","menu program v1.0",NULL,&head[2]},
    {"quit",   "quit from menu",quit,NULL}
};
int main()
{
    while(1)
    {
        char cmd[CMD_MAX_LEN];
        printf("Please input a cmd number ->");
        scanf("%s",cmd);
        tDataNode *p = FindCmd(head, cmd);
        if(p == NULL)
        {
            printf("This is a wrong cmd!\n");
            continue;
        }
        printf("%s - %s\n", p->cmd, p->desc);
        if(p->handler != NULL)
        {
            p->handler();
        }
    }
}
int help()
{
    ShowAllCmd(head);
    return 0;
}
int quit()
{
    exit(0);
}