fscanf/fopen/fstat

 

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;
}