From bc12f92223e1ba9a69a6c4f40a75696677889c0a Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Thu, 6 Jul 2023 15:02:06 +0800
Subject: [PATCH] =?UTF-8?q?union=E5=85=B1=E7=94=A8=E4=BD=93=E6=B5=8B?=
 =?UTF-8?q?=E8=AF=95?=
MIME-Version: 1.0
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---
 day4/union_test.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 day4/union_test.c

diff --git a/day4/union_test.c b/day4/union_test.c
new file mode 100644
index 0000000..90f13e0
--- /dev/null
+++ b/day4/union_test.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <string.h>
+
+union Data{
+    int i;
+    float f;
+    char str[20];
+};
+
+int main(){
+    union Data data;
+
+    data.i = 10;
+    printf("data.i: %d\n", data.i);
+
+    data.f = 3.14;
+    printf("data.f: %f\n", data.f);
+
+    strcpy(data.str, "Hello");
+    printf("data.str: %s\n", data.str);
+
+    return 0;
+}