1WMEMCMP(P) POSIX Programmer's Manual WMEMCMP(P)
2
3
4
6 wmemcmp - compare wide characters in memory
7
9 #include <wchar.h>
10
11 int wmemcmp(const wchar_t *ws1, const wchar_t *ws2, size_t n);
12
13
15 The wmemcmp() function shall compare the first n wide characters of the
16 object pointed to by ws1 to the first n wide characters of the object
17 pointed to by ws2. This function shall not be affected by locale and
18 all wchar_t values shall be treated identically. The null wide characā
19 ter and wchar_t values not corresponding to valid characters shall not
20 be treated specially.
21
22 If n is zero, the application shall ensure that ws1 and ws2 are valid
23 pointers, and the function shall behave as if the two objects compare
24 equal.
25
27 The wmemcmp() function shall return an integer greater than, equal to,
28 or less than zero, respectively, as the object pointed to by ws1 is
29 greater than, equal to, or less than the object pointed to by ws2.
30
32 No errors are defined.
33
34 The following sections are informative.
35
37 None.
38
40 None.
41
43 None.
44
46 None.
47
49 wmemchr() , wmemcpy() , wmemmove() , wmemset() , the Base Definitions
50 volume of IEEE Std 1003.1-2001, <wchar.h>
51
53 Portions of this text are reprinted and reproduced in electronic form
54 from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
55 -- Portable Operating System Interface (POSIX), The Open Group Base
56 Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
57 Electrical and Electronics Engineers, Inc and The Open Group. In the
58 event of any discrepancy between this version and the original IEEE and
59 The Open Group Standard, the original IEEE and The Open Group Standard
60 is the referee document. The original Standard can be obtained online
61 at http://www.opengroup.org/unix/online.html .
62
63
64
65IEEE/The Open Group 2003 WMEMCMP(P)