1strings.h(0P) POSIX Programmer's Manual strings.h(0P)
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6 This manual page is part of the POSIX Programmer's Manual. The Linux
7 implementation of this interface may differ (consult the corresponding
8 Linux manual page for details of Linux behavior), or the interface may
9 not be implemented on Linux.
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13 strings.h — string operations
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16 #include <strings.h>
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19 The following shall be declared as functions and may also be defined as
20 macros. Function prototypes shall be provided for use with ISO C stan‐
21 dard compilers.
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23 int ffs(int);
24 int strcasecmp(const char *, const char *);
25 int strcasecmp_l(const char *, const char *, locale_t);
26 int strncasecmp(const char *, const char *, size_t);
27 int strncasecmp_l(const char *, const char *, size_t, locale_t);
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29 The <strings.h> header shall define the locale_t type as described in
30 <locale.h>.
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32 The <strings.h> header shall define the size_t type as described in
33 <sys/types.h>.
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35 The following sections are informative.
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38 None.
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41 None.
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44 None.
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47 <locale.h>, <sys_types.h>
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49 The System Interfaces volume of POSIX.1‐2008, ffs(), strcasecmp()
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52 Portions of this text are reprinted and reproduced in electronic form
53 from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
54 -- Portable Operating System Interface (POSIX), The Open Group Base
55 Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
56 cal and Electronics Engineers, Inc and The Open Group. (This is
57 POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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.unix.org/online.html .
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63 Any typographical or formatting errors that appear in this page are
64 most likely to have been introduced during the conversion of the source
65 files to man page format. To report such errors, see https://www.ker‐
66 nel.org/doc/man-pages/reporting_bugs.html .
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70IEEE/The Open Group 2013 strings.h(0P)