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1 perry 1 re_comp
2 !!!re_comp
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 RETURN VALUE
7 CONFORMING TO
8 SEE ALSO
9 ----
10 !!NAME
11
12
13 re_comp, re_exec - BSD regex functions
14 !!SYNOPSIS
15
16
17 __#include __
18
19
20 __char *re_comp(char *__''regex''__);
21 int re_exec(char *__''string''__);__
22 !!DESCRIPTION
23
24
25 __re_comp__ is used to compile the null-terminated
26 regular expression pointed to by ''regex''. The compiled
27 pattern occupies a static area, the pattern buffer, which is
28 overwritten by subsequent use of __re_comp__. If
29 ''regex'' is __NULL__, no operation is performed and
30 the pattern buffer's contents are not altered.
31
32
33 __re_exec__ is used to assess whether the null-terminated
34 string pointed to by ''string'' matches the previously
35 compiled ''regex''.
36 !!RETURN VALUE
37
38
39 __re_comp__ returns __NULL__ on successful compilation
40 of ''regex'' otherwise it returns a pointer to an
41 appropriate error message.
42
43
44 __re_exec__ returns 1 for a successful match, zero for
45 failure.
46 !!CONFORMING TO
47
48
49 BSD 4.3
50 !!SEE ALSO
51
52
53 regex(7), __GNU regex manual__
54 ----
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