1strings.h(0P)              POSIX Programmer's Manual             strings.h(0P)
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PROLOG

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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NAME

12       strings.h — string operations
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SYNOPSIS

15       #include <strings.h>
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DESCRIPTION

18       The following shall be declared as functions and may also be defined as
19       macros.  Function prototypes shall be provided for use with ISO C stan‐
20       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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APPLICATION USAGE

38       None.
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RATIONALE

41       None.
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FUTURE DIRECTIONS

44       None.
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SEE ALSO

47       <locale.h>, <sys_types.h>
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49       The System Interfaces volume of POSIX.1‐2017, ffs(), strcasecmp()
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52       Portions of this text are reprinted and reproduced in  electronic  form
53       from  IEEE Std 1003.1-2017, Standard for Information Technology -- Por‐
54       table Operating System Interface (POSIX), The Open Group Base  Specifi‐
55       cations  Issue  7, 2018 Edition, Copyright (C) 2018 by the Institute of
56       Electrical and Electronics Engineers, Inc and The Open Group.   In  the
57       event of any discrepancy between this version and the original IEEE and
58       The Open Group Standard, the original IEEE and The Open Group  Standard
59       is  the  referee document. The original Standard can be obtained online
60       at http://www.opengroup.org/unix/online.html .
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62       Any typographical or formatting errors that appear  in  this  page  are
63       most likely to have been introduced during the conversion of the source
64       files to man page format. To report such errors,  see  https://www.ker‐
65       nel.org/doc/man-pages/reporting_bugs.html .
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69IEEE/The Open Group                  2017                        strings.h(0P)
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