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.TH ZSTR 3 libzahl
.SH NAME
zstr - Create a string representation of a big integer
.SH SYNOPSIS
.nf
#include <zahl.h>
char *zstr(z_t \fIa\fP, char *\fIstr\fP);
.fi
.SH DESCRIPTION
.B zstr
writes the integer
.I a
in decimal form into
.IR str .
If
.I str
is is
.BR 0 ,
.B zstr
create a new allocation.
.SH RETURN VALUE
.I str
is returned unless
.I str
is
.BR 0 .
If
.I str
is
.BR 0 ,
the string allocated by the function is returned.
.SH SEE ALSO
.BR zstr_length_positive (3),
.BR zsets (3),
.BR zload (3)
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