/* 
	バイナリデータの読み書き
	number001.c
*/

#include <stdio.h>

int main(void)
{
	FILE *fp;	
	int x[10] = {1,2,-1,4,5,65535,7,65536,65537,10};
	
	if ((fp = fopen("test.dat", "w+")) == NULL) {
	  printf("file open error!!\n");
	  exit(-1);
	}

	fwrite(x, sizeof(int), 10, fp);  /* write 10 numbers */
	fclose(fp);    

}