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	zstr.3 - libzahl - big integer library
	git clone git://git.suckless.org/libzahl
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	zstr.3 (776B)
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	1 .TH ZSTR 3 libzahl
	2 .SH NAME
	3 zstr - Create a string representation of a big integer
	4 .SH SYNOPSIS
	5 .nf
	6 #include <zahl.h>
	7
	8 char zstr(z_t \fIa\fP, char \fIstr\fP, size_t \fIn\fP);
	9 .fi
	10 .SH DESCRIPTION
	11 .B zstr
	12 writes the integer
	13 .I a
	14 in decimal form into
	15 .IR str .
	16 If
	17 .I str
	18 is is
	19 .BR 0 ,
	20 .B zstr
	21 create a new allocation.
	22 .P
	23 .I n
	24 must be either be zero or a value at least
	25 as great as the length of the resulting string.
	26 If both
	27 .I n
	28 and
	29 .I str
	30 are nonzero,
	31 .I n
	32 must be at least the allocation size of
	33 .I str
	34 minus 1. Proper value for
	35 .I n
	36 can be calculated using
	37 .BR zstr_length (3).
	38 .SH RETURN VALUE
	39 .I str
	40 is returned unless
	41 .I str
	42 is
	43 .BR 0 .
	44 If
	45 .I str
	46 is
	47 .BR 0 ,
	48 the string allocated by the function is returned.
	49 .SH SEE ALSO
	50 .BR zstr_length (3),
	51 .BR zsets (3),
	52 .BR zload (3)