file os

void writeFile()

{

const unsigned int ONE = 1;

FILE* file = open("a.db", "wb)

if(NULL != file)

{

unsigned int apple = 6;

if(ONE = fwrite(&apple, sizeof(unsigned int), ONE, file))

{

success;

}

fclose(file);

}

}

void readFile()

{

FILE* file = fopen("a.db", "rb");

if(NULL != file)

{

unsigned int a = 0;

if(ONE == fread(&a, sizeof(unsigned int), ONE, file))

{

read success;

}

fclose(file);

}