Renaming all folders

03_BufferedIO/binarydata.c

@@ -0,0 +1,48 @@
+/*
+ * SPDX-License-Identifier: MIT
+ * Copyright (c) 2025 Fabio Scotto di Santolo
+ */
+
+
+#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;
+}