feat: update structure

cs2106/labs/lab2/part1/talk.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+#define BUF_SIZE    128
+
+int main() {
+    char input[128];
+    char *ret;
+    while(!feof(stdin)) {
+        ret = fgets(input, BUF_SIZE - 1, stdin);
+        if(ret != NULL)
+            printf("This is what I read: %s\n", input);
+    }
+}