From c46ae607801797a5f969de7fca90869cdaf4043e Mon Sep 17 00:00:00 2001
From: Peace <syneffort@gmail.com>
Date: Thu, 24 Apr 2025 10:50:10 +0900
Subject: [PATCH] malloc, free

---
 basic/4_memoryManagement.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 basic/4_memoryManagement.c

diff --git a/basic/4_memoryManagement.c b/basic/4_memoryManagement.c
new file mode 100644
index 0000000..fc79911
--- /dev/null
+++ b/basic/4_memoryManagement.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main()
+{
+    const int COUNT = 5;
+
+    // 동적 메모리 할당, ptr에 동적으로 할당된 메모리의 시작주소 저장
+    int *ptr = (int*)malloc(sizeof(int) * COUNT);
+    if (!ptr)
+    {
+        printf("Fail to malloc\n");
+        return 1;
+    }
+
+    for (int i = 0; i < COUNT; i++)
+    {
+        ptr[i] = i * 10; // 값 초기화
+        printf("%d ", ptr[i]); // 값 출력
+    }
+    printf("\n");
+
+    free(ptr);
+
+    printf("\n");
+    for (int i = 0; i < COUNT; i++)
+    {
+        printf("%d ", ptr[i]); // 값 출력
+    }
+
+    return 0;
+}
\ No newline at end of file