Exercise 3 - Reading from urandom using C

excercise3/exercise3b.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main (int argc , char** argv ){
+	
+	// Open file for reading 
+	// We are opening a device file for reading ,
+	// which is like reading from a file but the file is not necessarily an actual file on disk.
+	// instead it could be some sort of external device or a simple piece of software returning bytes to us
+	FILE* fp = fopen("/dev/urandom", "r");	
+	if( !fp){
+		perror("File opening failed!");	
+		return EXIT_FAILURE;
+	}
+
+	while ( 1 ){
+		
+		printf("Read 0x%x from /dev/urandom\n", fgetc(fp));
+		int goAgain ; 
+		scanf("%d", &goAgain);
+	}
+}