/**
 * Compile with
 *
 * $ gcc -Wall -o fread fread.c
 */
#include <stdio.h>
#include <unistd.h>
#include <stdint.h>
#include <string.h>

typedef struct __test_s {
	char mx;
	uint64_t x[4];
} b;

#define bprint(b) printf("[%20lu, %20lu, %20lu, %20lu]\n", b.x[0], b.x[1], b.x[2], b.x[3])

int main(int argc, char *argv[])
{
	if (argc < 2) {
		printf("usage: %s <file>", argv[0]);
		return 0;
	}

	b db;
	memset(db.x, 0, sizeof(uint64_t) << 2);
	FILE *in = fopen(argv[1], "rb");
	if (in == NULL) {
		printf("Could not read file '%s'\n", argv[1]);
		return 0;
	}

	size_t n, total = 0;
	while ((n = fread(db.x, 1, 32, in)) > 0) {
		bprint(db);
		memset(db.x, 0, sizeof(uint64_t) << 2);
		total += n;
	}
	printf("Total: %lu bytes\n", total);
	return 0;
}