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#include 
    
     #include 
     
      int main() {    FILE *inputFile;    inputFile = fopen("data.bin", "rb");    if (!inputFile) {        fprintf(stderr, "Can't open bin file!");        exit(1);    }    fseek(inputFile, 0, SEEK_END);    long inputFileLength = ftell(inputFile);    printf("input file length: %ld\n", inputFileLength);    fseek(inputFile, 0, SEEK_SET);    fclose(inputFile);    return 0;}