.TH ZNOT 3 libzahl
.SH NAME
znot - Calculate the bitwise complement of a big integer
.SH SYNOPSIS
.nf
#include <zahl.h>

void znot(z_t \fIa\fP, z_t \fIb\fP);
.fi
.SH DESCRIPTION
.B znot
calculates the bitwise complement of
.I b
and stores the result in
.IR a .
.P
It is safe to call
.B znot
with
.IR "(a==b)" .
.SH NOTES
Be aware, the following code will halt for any input
.P
.nf
#include <zahl.h>

void
silly(z_t a)
{
	while (!zzero(a))
		znot(a, a);
}
.fi
.P
Also note that
.B z_t
uses neither two's complement, ones' complement, nor
sign-and-magnitude.
.SH SEE ALSO
.BR zand (3),
.BR zor (3),
.BR zxor (3),
.BR zlsh (3),
.BR zrsh (3),
.BR zsplit (3),
.BR zbtest (3),
.BR zlsb (3),
.BR zbits (3)