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.TH ZEVEN_NONZERO 3 libzahl
.SH NAME
zeven_nonzero - Check whether a non-zero big integer is even
.SH SYNOPSIS
.nf
#include <zahl.h>
int zeven_nonzero(z_t \fIa\fP);
.fi
.SH DESCRIPTION
.B zeven_nonzero
checks whether
.I a
is even.
.P
Undefined behaviour is invoked if
.I a
is zero.
.SH RETURN VALUE
.B zeven_nonzero
returns 1 if
.I a
is even, and 0 otherwise.
.SH SEE ALSO
.BR zeven (3),
.BR zodd_nonzero (3),
.BR zzero (3),
.BR zsignum (3),
.BR zcmp (3)
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