geekforgeek c readfile
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
ptr - This is pointer to array of elements to be written
size - This is the size in bytes of each element to be written
nmemb - This is the number of elements, each one with a size of size bytes
stream - This is the pointer to a FILE object that specifies an output stream