.\" Updated & Modified Sat Jan 15 05:40:56 JST 2005 by Yuichi SATO
.\" Updated 2008-09-18, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
.\"
-.TH LDEXP 3 2008-08-05 "" "Linux Programmer's Manual"
+.TH LDEXP 3 2010-09-20 "" "Linux Programmer's Manual"
.\"O .SH NAME
.SH ̾Á°
.\"O ldexp, ldexpf, ldexpl \- multiply floating-point number by integral power of 2
.ad l
.BR ldexpf (),
.BR ldexpl ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS 4
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
-.ad b
+.RE
+.ad
.\"O .SH DESCRIPTION
.SH ÀâÌÀ
.\"O The