.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
-.TH SCALBLN 3 2008-08-11 "" "Linux Programmer's Manual"
+.TH SCALBLN 3 2010-09-20 "" "Linux Programmer's Manual"
.SH NAME
scalbn, scalbnf, scalbnl, scalbln, scalblnf, scalblnl \-
multiply floating-point number by integral power of radix
.BR scalbln (),
.BR scalblnf (),
.BR scalblnl ():
-_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS
+_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.br
.BR scalbn (),
.BR scalbnf (),
.BR scalbnl ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.ad b
.SH DESCRIPTION
These functions multiply their first argument