man/zzero.3


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.TH ZZERO 3 libzahl
.SH NAME
zzero - Check whether a big integer is zero
.SH SYNOPSIS
.nf
#include <zahl.h>

int zzero(z_t \fIa\fP);
.fi
.SH DESCRIPTION
.B zzero
checks whether
.I a
is zero.
.SH RETURN VALUE
.B zzero
returns 1 if
.I a
is zero, and 0 otherwise.
.SH SEE ALSO
.BR zsignum (3),
.BR zeven (3),
.BR zodd (3),
.BR zcmp (3)