void rem_book(db *d, char *name) {
	void *buffer;
	size_t buf_sz = sizeof(int);
	buffer = malloc(buf_sz);

	d->count = d->count - 1;
	memcpy_s(buffer, buf_sz, &(d->count), sizeof(int));

	fseek(d->file, sizeof(int), SEEK_SET);

	for (int i = 0; i < d->count + 1; i++) {
		char *tmp = NULL;
		tmp = binary_read_str(d->file);
		if (strcmp(tmp, name) == 0) {
			free(tmp);
			tmp = binary_read_str(d->file);
			free(tmp);
			tmp = binary_read_str(d->file);
			free(tmp);
			tmp = binary_read_str(d->file);
			free(tmp);
		} else {
			buf_sz += strlen(tmp) + 1;
			buffer = realloc(buffer, buf_sz);
			memcpy_s((char*)buffer + buf_sz - strlen(tmp) - 1, strlen(tmp) + 1, tmp, strlen(tmp) + 1);
			free(tmp);
			tmp = binary_read_str(d->file);
			buf_sz += strlen(tmp) + 1;
			buffer = realloc(buffer, buf_sz);
			memcpy_s((char*)buffer + buf_sz - strlen(tmp) - 1, strlen(tmp) + 1, tmp, strlen(tmp) + 1);
			free(tmp);
			tmp = binary_read_str(d->file);
			buf_sz += strlen(tmp) + 1;
			buffer = realloc(buffer, buf_sz);
			memcpy_s((char*)buffer + buf_sz - strlen(tmp) - 1, strlen(tmp) + 1, tmp, strlen(tmp) + 1);
			free(tmp);
			tmp = binary_read_str(d->file);
			buf_sz += strlen(tmp) + 1;
			buffer = realloc(buffer, buf_sz);
			memcpy_s((char*)buffer + buf_sz - strlen(tmp) - 1, strlen(tmp) + 1, tmp, strlen(tmp) + 1);
			free(tmp);
		}
	}

	freopen_s(&(d->file), d->filename, "w+b", d->file);
	fwrite(buffer, buf_sz, 1, d->file);
	freopen_s(&(d->file), d->filename, "r+b", d->file);
}