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1 | .\" Copyright (c) Bruno Haible <haible@clisp.cons.org> |
2 | .\" | |
89e3ffe9 | 3 | .\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA) |
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4 | .\" This is free documentation; you can redistribute it and/or |
5 | .\" modify it under the terms of the GNU General Public License as | |
6 | .\" published by the Free Software Foundation; either version 2 of | |
7 | .\" the License, or (at your option) any later version. | |
fe382ebf | 8 | .\" %%%LICENSE_END |
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9 | .\" |
10 | .\" References consulted: | |
11 | .\" GNU glibc-2 source code and manual | |
12 | .\" Dinkumware C library reference http://www.dinkumware.com/ | |
008f1ecc | 13 | .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html |
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14 | .\" ISO/IEC 9899:1999 |
15 | .\" | |
460495ca | 16 | .TH WCSCMP 3 2015-08-08 "GNU" "Linux Programmer's Manual" |
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17 | .SH NAME |
18 | wcscmp \- compare two wide-character strings | |
19 | .SH SYNOPSIS | |
20 | .nf | |
21 | .B #include <wchar.h> | |
68e4db0a | 22 | .PP |
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23 | .BI "int wcscmp(const wchar_t *" s1 ", const wchar_t *" s2 ); |
24 | .fi | |
25 | .SH DESCRIPTION | |
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26 | The |
27 | .BR wcscmp () | |
28 | function is the wide-character equivalent | |
29 | of the | |
30 | .BR strcmp (3) | |
31 | function. | |
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32 | It compares the wide-character string pointed to by |
33 | .I s1 | |
34 | and the | |
35 | wide-character string pointed to by | |
36 | .IR s2 . | |
47297adb | 37 | .SH RETURN VALUE |
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38 | The |
39 | .BR wcscmp () | |
40 | function returns zero if the wide-character strings at | |
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41 | .I s1 |
42 | and | |
43 | .I s2 | |
44 | are equal. | |
c13182ef | 45 | It returns an integer greater than zero if |
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46 | at the first differing position |
47 | .IR i , | |
48 | the corresponding wide-character | |
49 | .I s1[i] | |
50 | is greater than | |
51 | .IR s2[i] . | |
c13182ef | 52 | It returns an integer less than zero if |
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53 | at the first differing position |
54 | .IR i , | |
55 | the corresponding wide-character | |
56 | .I s1[i] | |
57 | is less than | |
58 | .IR s2[i] . | |
0c54d3bb | 59 | .SH ATTRIBUTES |
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60 | For an explanation of the terms used in this section, see |
61 | .BR attributes (7). | |
62 | .TS | |
63 | allbox; | |
64 | lb lb lb | |
65 | l l l. | |
66 | Interface Attribute Value | |
67 | T{ | |
0c54d3bb | 68 | .BR wcscmp () |
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69 | T} Thread safety MT-Safe |
70 | .TE | |
47297adb | 71 | .SH CONFORMING TO |
eea7ea7a | 72 | POSIX.1-2001, POSIX.1-2008, C99. |
47297adb | 73 | .SH SEE ALSO |
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74 | .BR strcmp (3), |
75 | .BR wcscasecmp (3), | |
76 | .BR wmemcmp (3) |