Add TD5 q3 (first part)

content/secu_logicielle/td5-stackoverflow_shellcode/files/q3/anodin.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+int litentier(void) {
+	unsigned char buf[64];
+	int i;
+	printf("%p\n", buf);
+	printf("> ");
+	fflush(stdout);
+	gets(buf);
+	i=atoi(buf);
+	return i;
+}
+
+int main(int argc, char *argv[]) {
+	while (1) {
+		int i;
+		i = litentier();
+		printf("ok %d\n", i);
+	}
+}