#include <stdio.h>

int main(void)
{
	FILE *in, *out;
	struct pirate {
		char name[100];		/* real name */
		unsigned long booty;	/* in pounds sterling */
		unsigned int beard_len; /* in inches */
	} p, blackbeard = {"Edward Teach", 950, 48};

	out = fopen("data", "w");
	if (!out) {
		perror("fopen");
		return 1;
	}
	if (!fwrite(&blackbeard, sizeof(struct pirate), 1, out)) {
		perror("fwrite");
		return 1;
	}
	if (fclose(out)) {
		perror("fclose");
		return 1;
	}

	in = fopen("data", "r");
	if (!in) {
		perror("fopen");
		return 1;
	}
	if (!fread(&p, sizeof(struct pirate), 1, in)) {
		perror("fread");
		return 1;
	}
	if (fclose(in)) {
		perror("fclose");
		return 1;
	}
	printf("name=\"%s\" booty=%lu beard_len=%u\n", p.name, p.booty,
	       p.beard_len);
	return 0;
}