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.TH LIBJ2_CTZ_J2U 3 LIBJ2
.SH NAME
libj2_ctz_j2u \- Count trailing zeroes
.SH SYNOPSIS
.nf
#include <libj2.h>
unsigned \fBlibj2_ctz_j2u\fP(const struct libj2_j2u *\fIa\fP);
.fi
.PP
Link with
.IR -lj2 .
.SH DESCRIPTION
The
.BR libj2_ctz_j2u ()
function returns the number of trailing cleared bits in
.IR a .
.PP
In the case that all bits in
.I a
are cleared, all of them are counted as trailing.
.PP
.I a
is assumed to be
.RI non- NULL .
.SH RETURN VALUE
The
.BR libj2_ctz_j2u ()
function returns the number of cleared bits that
are less significant than the least significant
set bits in
.IR a ,
or the total number of bits in
.I a
if all its bits are cleared.
.SH ERRORS
The
.BR libj2_ctz_j2u ()
function cannot fail.
.SH SEE ALSO
.BR libj2 (7),
.BR libj2_cto_j2u (3),
.BR libj2_clz_j2u (3),
.BR libj2_cz_j2u (3),
.BR libj2_ffc_j2u (3),
.BR libj2_kfs_j2u (3),
.BR libj2_cfs_j2u (3),
.BR libj2_sfc_j2u (3)
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