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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
2 | .\" | |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
5 | .\" manual provided the copyright notice and this permission notice are | |
6 | .\" preserved on all copies. | |
7 | .\" | |
8 | .\" Permission is granted to copy and distribute modified versions of this | |
9 | .\" manual under the conditions for verbatim copying, provided that the | |
10 | .\" entire resulting derived work is distributed under the terms of a | |
11 | .\" permission notice identical to this one. | |
c13182ef | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
15 | .\" responsibility for errors or omissions, or for damages resulting from | |
16 | .\" the use of the information contained herein. The author(s) may not | |
17 | .\" have taken the same level of care in the production of this manual, | |
18 | .\" which is licensed free of charge, as they might when working | |
19 | .\" professionally. | |
c13182ef | 20 | .\" |
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21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
22 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 23 | .\" %%%LICENSE_END |
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24 | .\" |
25 | .\" References consulted: | |
26 | .\" Linux libc source code | |
27 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
28 | .\" 386BSD man pages | |
29 | .\" Modified Sun Jul 25 10:40:44 1993 by Rik Faith (faith@cs.unc.edu) | |
4b8c67d9 | 30 | .TH STRCOLL 3 2017-09-15 "GNU" "Linux Programmer's Manual" |
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31 | .SH NAME |
32 | strcoll \- compare two strings using the current locale | |
33 | .SH SYNOPSIS | |
34 | .nf | |
35 | .B #include <string.h> | |
68e4db0a | 36 | .PP |
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37 | .BI "int strcoll(const char *" s1 ", const char *" s2 ); |
38 | .fi | |
39 | .SH DESCRIPTION | |
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40 | The |
41 | .BR strcoll () | |
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42 | function compares the two strings |
43 | .I s1 | |
44 | and | |
45 | .IR s2 . | |
1c44bd5b | 46 | It returns an integer less than, equal to, or greater |
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47 | than zero if |
48 | .I s1 | |
49 | is found, respectively, to be less than, | |
50 | to match, or be greater than | |
51 | .IR s2 . | |
1c44bd5b | 52 | The comparison is based on |
c13182ef | 53 | strings interpreted as appropriate for the program's current locale |
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54 | for category |
55 | .BR LC_COLLATE . | |
3cdbcd0e | 56 | (See |
1450e83a | 57 | .BR setlocale (3).) |
47297adb | 58 | .SH RETURN VALUE |
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59 | The |
60 | .BR strcoll () | |
61 | function returns an integer less than, equal to, | |
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62 | or greater than zero if |
63 | .I s1 | |
64 | is found, respectively, to be less | |
65 | than, to match, or be greater than | |
66 | .IR s2 , | |
67 | when both are interpreted | |
fea681da | 68 | as appropriate for the current locale. |
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69 | .SH ATTRIBUTES |
70 | For an explanation of the terms used in this section, see | |
71 | .BR attributes (7). | |
72 | .TS | |
73 | allbox; | |
74 | lb lb lb | |
75 | l l l. | |
76 | Interface Attribute Value | |
77 | T{ | |
78 | .BR strcoll () | |
79 | T} Thread safety MT-Safe locale | |
80 | .TE | |
847e0d88 | 81 | .sp 1 |
47297adb | 82 | .SH CONFORMING TO |
c516062d | 83 | POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. |
fea681da | 84 | .SH NOTES |
51700fd7 | 85 | In the |
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86 | .I "POSIX" |
87 | or | |
945e9d50 | 88 | .I "C" |
46d8df8e | 89 | locales |
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90 | .BR strcoll () |
91 | is equivalent to | |
92 | .BR strcmp (3). | |
47297adb | 93 | .SH SEE ALSO |
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94 | .BR bcmp (3), |
95 | .BR memcmp (3), | |
96 | .BR setlocale (3), | |
97 | .BR strcasecmp (3), | |
98 | .BR strcmp (3), | |
3e5c319e | 99 | .BR string (3), |
fea681da | 100 | .BR strxfrm (3) |