#include <stdio.h>
#include <string.h>
int main()
{
	char m,a[10],c[10];
	FILE *fp;
	//static double i=5.00;
	size_t o;
	fp = fopen("a.txt","ab");
	fputs("hello world dear",fp);
	fclose(fp);	
	fp = fopen("a.txt","r");	
	fread(a,4,1,fp);
	fclose(fp);
	printf("%s\n",a);
	//printf("%s",c);
	return 0;
}