From 54c1b38d1dea7cc6209d1537a5b233b9530d89f0 Mon Sep 17 00:00:00 2001
From: Tingyu Meng <29924168887@qq.com>
Date: Sat, 22 Apr 2023 20:58:17 +0800
Subject: [PATCH] 4.mty

---
 8.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 8.md

diff --git a/8.md b/8.md
new file mode 100644
index 0000000..45a6711
--- /dev/null
+++ b/8.md
@@ -0,0 +1,16 @@
+// 8交换两个长整型数据 
+void  SwapLong(long *x, long *y)
+{
+long   temp;
+temp = *x; 
+*x = *y;  
+*y = temp;
+}
+// 交换两个字符串 
+void  SwapChar(char x[], char y[])
+{
+char temp[MAX_LEN];
+strcpy(temp, x);
+strcpy(x, y);
+strcpy(y, temp);
+}