From 7eb188098218ce0140e57504802bae40e806bbbb Mon Sep 17 00:00:00 2001
From: LEESANGKYEONG <sskk713@ajou.ac.kr>
Date: Thu, 6 Aug 2020 04:09:55 +0900
Subject: [PATCH] Update README.md

---
 three files/README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/three files/README.md b/three files/README.md
index c94effa..2628fa0 100644
--- a/three files/README.md	
+++ b/three files/README.md	
@@ -20,4 +20,5 @@
 #GCC compile -- by using preprocessor
 - #ifdef, #else, #endif
     -- func.c에서 int func_name_or_id() 구현 (no using #define PRINT_ID)
-    -- difference between gcc -DPRINT_ID main.c func.c and gcc main.c func.c
\ No newline at end of file
+    -- difference between gcc -DPRINT_ID main.c func.c and gcc main.c func.c
+    -- gcc -DPRINT_ID는 PRINT_ID가 정의된 상태로 컴파일 되므로 #ifdef 실행
\ No newline at end of file
-- 
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