include xfile in picirn.h

include/picrin.h

@@ -34,6 +34,7 @@ extern "C" {
 #include <stdio.h>
 
 #include "xhash/xhash.h"
+#include "xfile/xfile.h"
 
 #if __STDC_VERSION__ >= 201112L
 # define NORETURN _Noreturn

include/picrin/port.h

@@ -9,9 +9,6 @@
 extern "C" {
 #endif
 
-#include <stdio.h>
-#include "xfile/xfile.h"
-
 enum pic_port_flag {
   PIC_PORT_IN = 1,
   PIC_PORT_OUT = 2,

src/file.c

@@ -6,7 +6,6 @@
 
 #include "picrin.h"
 #include "picrin/port.h"
-#include "xfile/xfile.h"
 
 static pic_value
 generic_open_file(pic_state *pic, const char *fname, char *mode, short flags)