@node ilogb
@section @code{ilogb}
@findex ilogb

POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ilogb.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
IRIX 5.3.
@end itemize