read().c

#include <stdio.h>
#include <unistd.h>

int main()
{
	char *buf = NULL;
	int len = 10;
	len = read(STDIN_FILENO, buf, 40);
	if (len > 0) {
		printf("%d", len);
		printf("\ngot %d bytes", len);
		return 0;
	}
	else if (len <= 0)
	{
		printf("%d", len);
		printf("\nFalse or got EOF");
	}
	return 0;
}