NTP 文件的存储 C IP 地址

#include <stdio.h>#include <string.h>#define NTP_TIME    "/etc/ambaipcam/IPC_Q313/config/NTPaddr.txt"int main(){    FILE *NTPfp ;    char szNTP[50][255],ntpjudge[100];    char addr[255],addrbuf[255];        char NTPaddress[255];                                //-------------要改的NTP地址    strcpy(NTPaddress,"192.168.1.139");    int i,Lid=-1;    int judge;    memset(szNTP,0,sizeof(szNTP));    strcpy(ntpjudge,"1");                if((NTPfp=fopen(NTP_TIME,"r"))==NULL)    {        printf("can not open file!\n");    }    while(fgets(addr,256,NTPfp))    {         Lid++;         memset(addrbuf,0,sizeof(addrbuf));         if(strstr(addr,"NTP")!=NULL)                      //判断NTP是否打开         {             snprintf(addrbuf,sizeof(addrbuf)," NTP=%s\n",ntpjudge);             strcpy(szNTP[Lid],addrbuf);                     }         else if(strstr(addr,"address")!=NULL)          //判断文件中哪一行是address         {                 snprintf(addrbuf,sizeof(addrbuf)," address=%s\n",NTPaddress);             strcpy(szNTP[Lid],addrbuf);         }          else             strcpy(szNTP[Lid],addr);     }     fclose(NTPfp);                             if((NTPfp=fopen(NTP_TIME,"w"))==NULL)                //写入NTPaddr.txt     {          printf("can not open file!\n");          return;     }     else     {         for(i=0;i<=Lid;i++)         {             fputs(szNTP[i],NTPfp);         }         fclose(NTPfp);     }     printf("ntpend=%s\n",szNTP[0]);     printf("address=%s\n",szNTP[1]);}

http://www.cnblogs.com/qingjoin/archive/2012/03/22/2411468.html