blob: f100ac84fe4c92cf1cd8b7e02498847741773c76 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
.TH LIBSIMPLE_STRCASECHR 3 2018-10-21 libsimple
.SH NAME
libsimple_strcasechr \- find a character in a string
.SH SYNOPSIS
.nf
#include <libsimple.h>
char *libsimple_strcasechr(const char *\fIs\fP, int \fIc\fP);
#ifndef strcasechr
# define strcasechr libsimple_strcasechr
#endif
.fi
Link with
.IR \-lsimple .
.SH DESCRIPTION
The
.BR libsimple_strcasechr ()
function scans the string
.I s
for the first occurence of the character
.I c
(it is converted to a
.BR char ).
If no such character exist in the string,
the string's end is returned.
.PP
The comparison is case-insensitive.
.SH RETURN VALUE
The
.BR libsimple_strcasechr ()
function returns the pointer
.I s
with a minimal offset such that
.IR tolower(*r)==tolower(c) ,
where
.I r
is the returned pointer, if no such
offset exists, it returns
.IR NULL .
.SH ERRORS
The
.BR libsimple_strcasechr ()
function cannot fail.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.TS
allbox;
lb lb lb
l l l.
Interface Attribute Value
T{
.BR libsimple_strcasechr ()
T} Thread safety MT-Safe
T{
.BR libsimple_strcasechr ()
T} Async-signal safety AS-Safe
T{
.BR libsimple_strcasechr ()
T} Async-cancel safety AC-Safe
.TE
.SH EXAMPLES
None.
.SH APPLICATION USAGE
None.
.SH RATIONALE
None.
.SH FUTURE DIRECTIONS
None.
.SH NOTES
None.
.SH BUGS
None.
.SH SEE ALSO
.BR libsimple_strcasechrnul (3),
.BR libsimple_strrcasechr (3),
.BR strchr (3)
|
