我想获取客户端机器的mac地址,以便用户无法从其他计算机登录。我是 PPAPI 的新手,并尝试使用 C 中的以下代码来获取 mac 地址。它需要 PPAPI lib 不包含的 conio.h 头文件。我也在外部添加了这个文件,但没有帮助。任何想法
{
/* Copyright (c) 2013 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "ppapi_simple/ps_main.h"
#ifdef SEL_LDR
#define example_main main
#endif
int example_main(int argc, char* argv[]) {
/* Use ppb_messaging to send "Hello World" to JavaScript. */
FILE *fp;
printf("Hello before system.\n");
system ("ipconfig/all>D://macid.txt");
printf("Hello before file open.\n");
fp=fopen("D://macid.txt","r");
printf("Hello before if.\n");
if(fp!=NULL)
{
printf("Hello before while.\n");
char line[128];
while(fgets(line,sizeof line,fp)!=NULL)
{
printf("Hello in while.\n");
char *nwln=strchr(line,'\n');
char *ptr;
if(nwln!=NULL)
*nwln='\0';
ptr=strstr(line,"Physical Address");
if(ptr!=NULL)
{
printf("Hello in iff.\n");
printf("hello : %s\n",ptr);
break;
}
}
}
printf("Hello World STDOUTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT.\n");
printf("Hello Deepesh Jain.\n");
/* Use ppb_console send "Hello World" to the JavaScript Console. */
fprintf(stderr, "Hello World STDERR.\n");
return 0;
}
/*
* Register the function to call once the Instance Object is initialized.
* see: pappi_simple/ps_main.h
*
* This is not needed when building the sel_ldr version of this example
* which does not link against ppapi_simple.
*/
#ifndef SEL_LDR
PPAPI_SIMPLE_REGISTER_MAIN(example_main)
#endif
}