@c "fn/ctz.texi"
@c extracted from "../../lib/libchpfn/bitmanip.cc"
@c by "$(top_srcdir)/scripts/extract_texinfo.awk".

@deffn Function ctz int
Returns the number of trailing 0s in the binary representation of @var{int}.
(Trailing 0s are in the less significant bit positions.)  
Result is undefined if @var{int} is 0.  
@end deffn

