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	zsets.3 - libzahl - big integer library
	git clone git://git.suckless.org/libzahl
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	zsets.3 (786B)
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	1 .TH ZSETS 3 libzahl
	2 .SH NAME
	3 zsets - Parses a string to a big integer
	4 .SH SYNOPSIS
	5 .nf
	6 #include <zahl.h>
	7
	8 int zsets(z_t \fIa\fP, const char *\fIstr\fP);
	9 .fi
	10 .SH DESCRIPTION
	11 .B zsets
	12 parses the string
	13 .I str
	14 and stores the value in
	15 .IR a .
	16 .I a
	17 must already be initialized with
	18 .BR zinit (3).
	19 .I b
	20 must be a decimal integer. It may be
	21 prefixed with at most one ASCII minus
	22 sign or plus sign.
	23 .SH RETURN VALUE
	24 Upon successful completion, 0 is returned.
	25 On error -1 is returned an errno is appropriately.
	26 .SH ERRORS
	27 This function fails if:
	28 .TP
	29 .B EINVAL
	30 .B str
	31 is not a valid decimal ASCII integer.
	32 .P
	33 On other errors, the function performs a long jump
	34 using the jump buffer provided via
	35 .BR zsetup (3).
	36 .SH SEE ALSO
	37 .BR zset (3),
	38 .BR zsetu (3),
	39 .BR zseti (3),
	40 .BR zsave (3),
	41 .BR zstr (3)