.\"
.\" @(#)btree.3 8.4 (Berkeley) 8/18/94
.\"
-.TH BTREE 3 1994-08-18 "" "Linux Programmer's Manual"
+.TH BTREE 3 2012-04-23 "" "Linux Programmer's Manual"
.\".UC 7
.SH NAME
btree \- btree database access method
.ft R
.fi
.SH DESCRIPTION
+.IR "Note well" :
+This page documents interfaces provided in glibc up until version 2.1.
+Since version 2.2, glibc no longer provides these interfaces.
+Probably, you are looking for the APIs provided by the
+.I libdb
+library instead.
+
The routine
.BR dbopen (3)
is the library interface to database files.