fscanf/fopen/fstat

bglinux

write
    fp = fopen("config", "w+");
    sprintf(tmp, "nwa: %d\n", global_rzone.nwa);
    fputs(tmp, fp);
    fclose(fp);

read
//get config file
    fp = fopen("config", "r");
    if (fp)
    {
        //read config
        fgets(tmp, fp);
        sscanf(tmp, "%*s %d", &nwa);
        global_rzone.nwa = nwa;
    }

stat
ret = stat(file, &buf);
if (buf.st_size == 0)
{
    printf("DVD test file:%s error!\n", argv[1]);
    return 0;
}

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