feat: update structure

cs2106/labs/lab2/part2/lab2p2c.c

@@ -0,0 +1,12 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/wait.h>
+
+int main() {
+    if(fork() ==  0) {
+        execlp("cat", "cat", "file.txt", NULL);
+    }
+    else
+        wait(NULL);
+}
+