diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9eec095..6fdd0ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,12 +24,12 @@ add_executable(base16384_b base16384.c)
 IF ((NOT FORCE_32BIT) AND CMAKE_SIZEOF_VOID_P EQUAL 8)
     message(STATUS "Adding 64bit libraries...")
     add_definitions(-DIS_64BIT_PROCESSOR)
-    add_library(base16384 SHARED file.c base1464.c)
-    add_library(base16384_s STATIC file.c base1464.c)
+    add_library(base16384   SHARED wrap.c file.c base1464.c)
+    add_library(base16384_s STATIC wrap.c file.c base1464.c)
 ELSE ()
     message(STATUS "Adding 32bit libraries...")
-    add_library(base16384 SHARED file.c base1432.c)
-    add_library(base16384_s STATIC file.c base1432.c)
+    add_library(base16384   SHARED wrap.c file.c base1432.c)
+    add_library(base16384_s STATIC wrap.c file.c base1432.c)
 ENDIF ()
 
 set_target_properties(base16384_b PROPERTIES OUTPUT_NAME base16384)
diff --git a/base16384.h b/base16384.h
index fe93fd7..b5be8a5 100644
--- a/base16384.h
+++ b/base16384.h
@@ -244,9 +244,7 @@ base16384_err_t base16384_decode_fp_detailed(base16384_typed_flag_params(FILE*))
 base16384_err_t base16384_decode_fd_detailed(base16384_typed_flag_params(int));
 
 #define BASE16384_WRAP_DECL(method, name, type) \
-	static inline base16384_err_t base16384_##method##_##name(base16384_typed_params(type)) { \
-		return base16384_##method##_##name##_detailed(input, output, encbuf, decbuf, 0); \
-	}
+	base16384_err_t base16384_##method##_##name(base16384_typed_params(type));
 
 	BASE16384_WRAP_DECL(encode, file, const char*);
 	BASE16384_WRAP_DECL(encode, fp, FILE*);
diff --git a/wrap.c b/wrap.c
new file mode 100644
index 0000000..5358b5f
--- /dev/null
+++ b/wrap.c
@@ -0,0 +1,38 @@
+/* wrap.c
+ * This file is part of the base16384 distribution (https://github.com/fumiama/base16384).
+ * Copyright (c) 2022-2024 Fumiama Minamoto.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "base16384.h"
+
+#define base16384_typed_params(type) type input, type output, char* encbuf, char* decbuf
+
+#define BASE16384_WRAP_DECL(method, name, type) \
+	base16384_err_t base16384_##method##_##name(base16384_typed_params(type)) { \
+		return base16384_##method##_##name##_detailed(input, output, encbuf, decbuf, 0); \
+	}
+
+	BASE16384_WRAP_DECL(encode, file, const char*);
+	BASE16384_WRAP_DECL(encode, fp, FILE*);
+	BASE16384_WRAP_DECL(encode, fd, int);
+
+	BASE16384_WRAP_DECL(decode, file, const char*);
+	BASE16384_WRAP_DECL(decode, fp, FILE*);
+	BASE16384_WRAP_DECL(decode, fd, int);
+
+#undef BASE16384_WRAP_DECL
+
+#undef base16384_typed_params