.\"
.\" Inspired by a page by Walter Harms created 2002-08-10
.\"
-.TH ILOGB 3 2010-09-20 "" "Linux Programmer's Manual"
+.TH ILOGB 3 2013-08-06 "" "Linux Programmer's Manual"
.SH NAME
ilogb, ilogbf, ilogbl \- get integer exponent of a floating-point value
.SH SYNOPSIS
.\" or raise an exception?
.\" log(), log2(), log10() do set errno
.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6794
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR ilogb (),
+.BR ilogbf (),
+and
+.BR ilogbl ()
+functions are thread-safe.
.SH CONFORMING TO
C99, POSIX.1-2001.
.SH SEE ALSO