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1 perry 1 WCSNLEN
2 !!!WCSNLEN
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 RETURN VALUE
7 CONFORMING TO
8 SEE ALSO
9 ----
10 !!NAME
11
12
13 wcsnlen - determine the length of a fixed-size wide-character string
14 !!SYNOPSIS
15
16
17 __#include
18 __''s''__, size_t__ ''maxlen''__);
19 __
20 !!DESCRIPTION
21
22
23 The __wcsnlen__ function is the wide-character equivalent
24 of the __strnlen__ function. It returns the number of
25 wide-characters in the string pointed to by ''s'', not
26 including the terminating L'0' character, but at most
27 ''maxlen''. In doing this, __wcsnlen__ looks only at
28 the first ''maxlen'' wide-characters at ''s'' and
29 never beyond ''s+maxlen''.
30 !!RETURN VALUE
31
32
33 The __wcsnlen__ function returns ''wcslen(s)'', if
34 that is less than ''maxlen'', or ''maxlen'' if there
35 is no L'0' character among the first ''maxlen'' wide
36 characters pointed to by ''s''.
37 !!CONFORMING TO
38
39
40 This function is a GNU extension.
41 !!SEE ALSO
42
43
44 strnlen(3), wcslen(3)
45 ----
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