diff --git a/config.mk b/config.mk
index 91965b5..9715a99 100644
--- a/config.mk
+++ b/config.mk
@@ -14,8 +14,8 @@
 #
 # OS指定
 #
-#OS					= linux
-OS					= windows
+OS					= linux
+#OS					= windows
 
 #
 # アーキテクチャ指定
@@ -33,10 +33,10 @@
 # コンパイラ
 #
 #
-#CC					= $(CROSS_COMPILE)gcc
-#CXX				= $(CROSS_COMPILE)g++
-CC					= $(CROSS_COMPILE)clang
-CXX					= $(CROSS_COMPILE)clang++
+CC					= $(CROSS_COMPILE)gcc
+CXX					= $(CROSS_COMPILE)g++
+#CC					= $(CROSS_COMPILE)clang
+#CXX				= $(CROSS_COMPILE)clang++
 #CC					= $(CROSS_COMPILE)clang-16
 #CXX				= $(CROSS_COMPILE)clang++16
 
@@ -44,7 +44,7 @@
 # オプション設定
 #
 ifeq ($(strip $(OS)),windows)
-LIBS				?= -liphlpapi -lws2_32
+LIBS				?= -lws2_32
 DEBUG_OPTIONS       ?=
 else
 LIBS				?= -lpthread -lrt
@@ -95,4 +95,3 @@
 endif
 endif	
 endif	
-

diff --git a/config.mk b/config.mk
index 91965b5..9715a99 100644
--- a/config.mk
+++ b/config.mk
@@ -14,8 +14,8 @@
 #
 # OS指定
 #
-#OS					= linux
-OS					= windows
+OS					= linux
+#OS					= windows
 
 #
 # アーキテクチャ指定
@@ -33,10 +33,10 @@
 # コンパイラ
 #
 #
-#CC					= $(CROSS_COMPILE)gcc
-#CXX				= $(CROSS_COMPILE)g++
-CC					= $(CROSS_COMPILE)clang
-CXX					= $(CROSS_COMPILE)clang++
+CC					= $(CROSS_COMPILE)gcc
+CXX					= $(CROSS_COMPILE)g++
+#CC					= $(CROSS_COMPILE)clang
+#CXX				= $(CROSS_COMPILE)clang++
 #CC					= $(CROSS_COMPILE)clang-16
 #CXX				= $(CROSS_COMPILE)clang++16
 
@@ -44,7 +44,7 @@
 # オプション設定
 #
 ifeq ($(strip $(OS)),windows)
-LIBS				?= -liphlpapi -lws2_32
+LIBS				?= -lws2_32
 DEBUG_OPTIONS       ?=
 else
 LIBS				?= -lpthread -lrt
@@ -95,4 +95,3 @@
 endif
 endif	
 endif	
-
diff --git a/mk/link-a-conf.mk b/mk/link-a-conf.mk
index 631e6d5..0e872f3 100644
--- a/mk/link-a-conf.mk
+++ b/mk/link-a-conf.mk
@@ -10,11 +10,8 @@
 HEADER_FILES		 = $(wildcard include/*.h) $(wildcard include/*.hpp)
 TOP_HEADER_FILES	 = $(addprefix $(TOPDIR)/include/,$(notdir $(HEADER_FILES)))
 
-HEADER_FILES_WIN	 = $(wildcard include/win/*.h) $(wildcard include/win/*.hpp)
-TOP_HEADER_FILES_WIN = $(addprefix $(TOPDIR)/include/win/,$(notdir $(HEADER_FILES_WIN)))
-
 CLEAN_FILES			+= $(TOP_TARGET)
-CLEAN_FILES			+= $(TOP_HEADER_FILES) $(TOP_HEADER_FILES_WIN)
+CLEAN_FILES			+= $(TOP_HEADER_FILES)
 
 endif
 endif

diff --git a/config.mk b/config.mk
index 91965b5..9715a99 100644
--- a/config.mk
+++ b/config.mk
@@ -14,8 +14,8 @@
 #
 # OS指定
 #
-#OS					= linux
-OS					= windows
+OS					= linux
+#OS					= windows
 
 #
 # アーキテクチャ指定
@@ -33,10 +33,10 @@
 # コンパイラ
 #
 #
-#CC					= $(CROSS_COMPILE)gcc
-#CXX				= $(CROSS_COMPILE)g++
-CC					= $(CROSS_COMPILE)clang
-CXX					= $(CROSS_COMPILE)clang++
+CC					= $(CROSS_COMPILE)gcc
+CXX					= $(CROSS_COMPILE)g++
+#CC					= $(CROSS_COMPILE)clang
+#CXX				= $(CROSS_COMPILE)clang++
 #CC					= $(CROSS_COMPILE)clang-16
 #CXX				= $(CROSS_COMPILE)clang++16
 
@@ -44,7 +44,7 @@
 # オプション設定
 #
 ifeq ($(strip $(OS)),windows)
-LIBS				?= -liphlpapi -lws2_32
+LIBS				?= -lws2_32
 DEBUG_OPTIONS       ?=
 else
 LIBS				?= -lpthread -lrt
@@ -95,4 +95,3 @@
 endif
 endif	
 endif	
-
diff --git a/mk/link-a-conf.mk b/mk/link-a-conf.mk
index 631e6d5..0e872f3 100644
--- a/mk/link-a-conf.mk
+++ b/mk/link-a-conf.mk
@@ -10,11 +10,8 @@
 HEADER_FILES		 = $(wildcard include/*.h) $(wildcard include/*.hpp)
 TOP_HEADER_FILES	 = $(addprefix $(TOPDIR)/include/,$(notdir $(HEADER_FILES)))
 
-HEADER_FILES_WIN	 = $(wildcard include/win/*.h) $(wildcard include/win/*.hpp)
-TOP_HEADER_FILES_WIN = $(addprefix $(TOPDIR)/include/win/,$(notdir $(HEADER_FILES_WIN)))
-
 CLEAN_FILES			+= $(TOP_TARGET)
-CLEAN_FILES			+= $(TOP_HEADER_FILES) $(TOP_HEADER_FILES_WIN)
+CLEAN_FILES			+= $(TOP_HEADER_FILES)
 
 endif
 endif
diff --git a/mk/link-a-rule.mk b/mk/link-a-rule.mk
index 657d858..9c233a7 100644
--- a/mk/link-a-rule.mk
+++ b/mk/link-a-rule.mk
@@ -10,8 +10,8 @@
 $(TOP_TARGET): $(TARGET)
 ifneq ($(strip $(HEADER_FILES)),)
 	$(CP) -f $(HEADER_FILES) $(TOPDIR)/include/
-	$(CP) -f $(HEADER_FILES_WIN) $(TOPDIR)/include/win/
 endif
+	-@$(MKDIR) -p $(TOPDIR)/lib/
 	$(CP) -f $(TARGET) $(TOPDIR)/lib/
 
 endif

diff --git a/config.mk b/config.mk
index 91965b5..9715a99 100644
--- a/config.mk
+++ b/config.mk
@@ -14,8 +14,8 @@
 #
 # OS指定
 #
-#OS					= linux
-OS					= windows
+OS					= linux
+#OS					= windows
 
 #
 # アーキテクチャ指定
@@ -33,10 +33,10 @@
 # コンパイラ
 #
 #
-#CC					= $(CROSS_COMPILE)gcc
-#CXX				= $(CROSS_COMPILE)g++
-CC					= $(CROSS_COMPILE)clang
-CXX					= $(CROSS_COMPILE)clang++
+CC					= $(CROSS_COMPILE)gcc
+CXX					= $(CROSS_COMPILE)g++
+#CC					= $(CROSS_COMPILE)clang
+#CXX				= $(CROSS_COMPILE)clang++
 #CC					= $(CROSS_COMPILE)clang-16
 #CXX				= $(CROSS_COMPILE)clang++16
 
@@ -44,7 +44,7 @@
 # オプション設定
 #
 ifeq ($(strip $(OS)),windows)
-LIBS				?= -liphlpapi -lws2_32
+LIBS				?= -lws2_32
 DEBUG_OPTIONS       ?=
 else
 LIBS				?= -lpthread -lrt
@@ -95,4 +95,3 @@
 endif
 endif	
 endif	
-
diff --git a/mk/link-a-conf.mk b/mk/link-a-conf.mk
index 631e6d5..0e872f3 100644
--- a/mk/link-a-conf.mk
+++ b/mk/link-a-conf.mk
@@ -10,11 +10,8 @@
 HEADER_FILES		 = $(wildcard include/*.h) $(wildcard include/*.hpp)
 TOP_HEADER_FILES	 = $(addprefix $(TOPDIR)/include/,$(notdir $(HEADER_FILES)))
 
-HEADER_FILES_WIN	 = $(wildcard include/win/*.h) $(wildcard include/win/*.hpp)
-TOP_HEADER_FILES_WIN = $(addprefix $(TOPDIR)/include/win/,$(notdir $(HEADER_FILES_WIN)))
-
 CLEAN_FILES			+= $(TOP_TARGET)
-CLEAN_FILES			+= $(TOP_HEADER_FILES) $(TOP_HEADER_FILES_WIN)
+CLEAN_FILES			+= $(TOP_HEADER_FILES)
 
 endif
 endif
diff --git a/mk/link-a-rule.mk b/mk/link-a-rule.mk
index 657d858..9c233a7 100644
--- a/mk/link-a-rule.mk
+++ b/mk/link-a-rule.mk
@@ -10,8 +10,8 @@
 $(TOP_TARGET): $(TARGET)
 ifneq ($(strip $(HEADER_FILES)),)
 	$(CP) -f $(HEADER_FILES) $(TOPDIR)/include/
-	$(CP) -f $(HEADER_FILES_WIN) $(TOPDIR)/include/win/
 endif
+	-@$(MKDIR) -p $(TOPDIR)/lib/
 	$(CP) -f $(TARGET) $(TOPDIR)/lib/
 
 endif
diff --git a/modules/Makefile b/modules/Makefile
index 99c9881..ab8c874 100644
--- a/modules/Makefile
+++ b/modules/Makefile
@@ -11,7 +11,7 @@
 TOPDIR					?= ..
 RULEDIR					?= $(TOPDIR)/mk
 NAME					 = libkc
-TARGET					 = $(NAME).exe
+TARGET					 = $(NAME).a
 SUBDIRS					 = test
 USE_SO_VERSION           =
 

diff --git a/config.mk b/config.mk
index 91965b5..9715a99 100644
--- a/config.mk
+++ b/config.mk
@@ -14,8 +14,8 @@
 #
 # OS指定
 #
-#OS					= linux
-OS					= windows
+OS					= linux
+#OS					= windows
 
 #
 # アーキテクチャ指定
@@ -33,10 +33,10 @@
 # コンパイラ
 #
 #
-#CC					= $(CROSS_COMPILE)gcc
-#CXX				= $(CROSS_COMPILE)g++
-CC					= $(CROSS_COMPILE)clang
-CXX					= $(CROSS_COMPILE)clang++
+CC					= $(CROSS_COMPILE)gcc
+CXX					= $(CROSS_COMPILE)g++
+#CC					= $(CROSS_COMPILE)clang
+#CXX				= $(CROSS_COMPILE)clang++
 #CC					= $(CROSS_COMPILE)clang-16
 #CXX				= $(CROSS_COMPILE)clang++16
 
@@ -44,7 +44,7 @@
 # オプション設定
 #
 ifeq ($(strip $(OS)),windows)
-LIBS				?= -liphlpapi -lws2_32
+LIBS				?= -lws2_32
 DEBUG_OPTIONS       ?=
 else
 LIBS				?= -lpthread -lrt
@@ -95,4 +95,3 @@
 endif
 endif	
 endif	
-
diff --git a/mk/link-a-conf.mk b/mk/link-a-conf.mk
index 631e6d5..0e872f3 100644
--- a/mk/link-a-conf.mk
+++ b/mk/link-a-conf.mk
@@ -10,11 +10,8 @@
 HEADER_FILES		 = $(wildcard include/*.h) $(wildcard include/*.hpp)
 TOP_HEADER_FILES	 = $(addprefix $(TOPDIR)/include/,$(notdir $(HEADER_FILES)))
 
-HEADER_FILES_WIN	 = $(wildcard include/win/*.h) $(wildcard include/win/*.hpp)
-TOP_HEADER_FILES_WIN = $(addprefix $(TOPDIR)/include/win/,$(notdir $(HEADER_FILES_WIN)))
-
 CLEAN_FILES			+= $(TOP_TARGET)
-CLEAN_FILES			+= $(TOP_HEADER_FILES) $(TOP_HEADER_FILES_WIN)
+CLEAN_FILES			+= $(TOP_HEADER_FILES)
 
 endif
 endif
diff --git a/mk/link-a-rule.mk b/mk/link-a-rule.mk
index 657d858..9c233a7 100644
--- a/mk/link-a-rule.mk
+++ b/mk/link-a-rule.mk
@@ -10,8 +10,8 @@
 $(TOP_TARGET): $(TARGET)
 ifneq ($(strip $(HEADER_FILES)),)
 	$(CP) -f $(HEADER_FILES) $(TOPDIR)/include/
-	$(CP) -f $(HEADER_FILES_WIN) $(TOPDIR)/include/win/
 endif
+	-@$(MKDIR) -p $(TOPDIR)/lib/
 	$(CP) -f $(TARGET) $(TOPDIR)/lib/
 
 endif
diff --git a/modules/Makefile b/modules/Makefile
index 99c9881..ab8c874 100644
--- a/modules/Makefile
+++ b/modules/Makefile
@@ -11,7 +11,7 @@
 TOPDIR					?= ..
 RULEDIR					?= $(TOPDIR)/mk
 NAME					 = libkc
-TARGET					 = $(NAME).exe
+TARGET					 = $(NAME).a
 SUBDIRS					 = test
 USE_SO_VERSION           =
 
diff --git a/modules/src/main.c b/modules/src/main.c
deleted file mode 100644
index 446efe2..0000000
--- a/modules/src/main.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <stdio.h>
-
-#include <kc_memory.h>
-#include <kc_assert.h>
-
-#ifndef UNITTEST
-int main(int argc, char *argv[])
-#else
-int main_exec(int argc, char *argv)
-#endif
-{
-	KcMemory_start(true);
-
-	UNUSED_VARIABLE(argc);
-	UNUSED_VARIABLE(argv);
-	char *buf = (char *)malloc(128);
-	char *buf2 = (char *)malloc(256);
-	UNUSED_VARIABLE(buf2);
-	buf[0] = 'A';
-	buf[1] = '\n';
-	buf[2] = '\0';
-	printf("%s", buf);
-	assert_equals(124, 123);
-	assert_equals("ABC", "ABC");
-	assert_equals(2.34, 2.33, 0.1);
-	assert_equals("\x01\x02", "\x01\x02\x03", 2);
-	return 0;
-}