diff --git a/ChangeLog b/ChangeLog
index 480010e5fc..5b80340a90 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Mar 26 00:38:11 2002  Tanaka Akira  <akr@m17n.org>
+
+	* configure.in (FILE_READPTR): check _p for 4.4BSD.
+
 Mon Mar 25 23:39:25 2002  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
 
 	* configure.in (FILE_READPTR): new.  for IO#gets improvement.
diff --git a/configure.in b/configure.in
index e147656a8f..4ac8a0b223 100644
--- a/configure.in
+++ b/configure.in
@@ -482,6 +482,7 @@ AC_CACHE_VAL(rb_cv_frptr,
      _ptr	dnl
      __ptr	dnl
      bufpos	dnl
+     _p	dnl
 ; do
     AC_TRY_COMPILE([#include <stdio.h>
 ],