.\" Translated Tue Sep 23 20:27:35 JST 2003
.\" by Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
-.TH EXP2 3 2008-08-11 "" "Linux Programmer's Manual"
+.TH EXP2 3 2010-09-20 "" "Linux Programmer's Manual"
.\"O .SH NAME
.SH ̾Á°
.\"O exp2, exp2f, exp2l \- base-2 exponential function
.BR exp2 (),
.BR exp2f (),
.BR exp2l ():
-_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS 4
+_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.ad b
.\"O .SH DESCRIPTION
.SH ÀâÌÀ