Add an implementation, still just trying to read

Assignment9/documentation/EndiannessAndHomework9.c

@@ -0,0 +1,68 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+// FILE format is: 'header', then 2023 skipped bytes, then the number of interest
+#define OURINT 1426915328
+#define OFFSETTODATA 2023
+
+int writeToFile(){
+
+    FILE* fp = fopen("toReadLater.txt","w+");
+	char c = 'h';
+    fwrite(&c, sizeof(char), 1, fp);
+    c = 'e';
+    fwrite(&c, sizeof(char), 1, fp);
+    c = 'a';
+    fwrite(&c, sizeof(char), 1, fp);
+    c = 'd';
+    fwrite(&c, sizeof(char), 1, fp);
+    c = 'e';
+    fwrite(&c, sizeof(char), 1, fp);
+    c = 'r';
+    fwrite(&c, sizeof(char), 1, fp);
+    unsigned int buf = OFFSETTODATA;
+    fwrite(&buf, sizeof(int), 1, fp);
+    fseek(fp, OFFSETTODATA, SEEK_CUR);
+
+    buf = OURINT;
+    fwrite(&buf, sizeof(int), 1, fp);
+    fclose(fp);
+}
+
+int readFromFile(){
+	FILE *fp = fopen("toReadLater.txt", "r+");
+	fseek(fp, 6 , SEEK_SET);
+	int skip = 0;
+	fread(&skip, sizeof(int), 1, fp);
+    // NOTE, in HW, the size of the section is a value in 
+    // Big-Endian format, it will actually need conversion
+	fseek(fp, skip, SEEK_CUR);
+	unsigned int qBe = 0;
+	unsigned int qLe = 0;
+	int i;
+	unsigned char *c = (char *)(&qBe);
+	unsigned char *d = (char *)(&qLe);
+	for (i = 0; i < 4; i++)
+	{
+		c[i] = getc(fp);
+		printf("Byte %i: %i %x\n",i, c[i], c[i]);
+	}
+
+    for (i = 0; i < 4; i++)
+	{
+		d[4-i-1] = c[i];
+	}
+
+    printf("Translated using swapping the bytes order: %i\n", qLe);
+	qLe = ntohl(qBe);
+    printf("Translated using ntohl: %i\n", qLe);
+    fclose(fp);
+}
+int main (int argc, char** argv){
+    unsigned int wantToRead;
+	writeToFile();
+	printf("Sizeof (int) is:%li\n", sizeof(unsigned int));
+	readFromFile();
+
+	return 0;
+}