zbset.3 - libzahl - big integer library
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zbset.3 (636B)
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1 .TH ZBSET 3 libzahl
2 .SH NAME
3 zbset - Set, clear, or flip a bit in a big integer
4 .SH SYNOPSIS
5 .nf
6 #include <zahl.h>
7
8 void zbset(z_t \fIa\fP, z_t \fIb\fP, size_t \fIindex\fP, int \fIset\fP);
9 .fi
10 .SH DESCRIPTION
11 .B zbset
12 either sets, clears, or flips the bit with the selected
13 .I index
14 in
15 .IR b ,
16 and stores the result in
17 .IR a .
18 .P
19 The bit is set if
20 .IR "(set>0)" ,
21 clear if
22 .IR "(set==0)" ,
23 and flipped if
24 .IR "(set<0)" .
25 .P
26 It is safe to call
27 .B zbset
28 with non-unique parameters.
29 .SH SEE ALSO
30 .BR zbtest (3),
31 .BR zand (3),
32 .BR zor (3),
33 .BR zxor (3),
34 .BR znot (3),
35 .BR zlsh (3),
36 .BR zrsh (3),
37 .BR zsplit (3),
38 .BR zlsb (3),
39 .BR zbits (3)