1INDEX(3P)                  POSIX Programmer's Manual                 INDEX(3P)
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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       index - character string operations (LEGACY)
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SYNOPSIS

15       #include <strings.h>
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17       char *index(const char *s, int c);
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DESCRIPTION

21       The index() function shall be equivalent to strchr().
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RETURN VALUE

24       See strchr().
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ERRORS

27       See strchr().
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29       The following sections are informative.
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EXAMPLES

32       None.
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APPLICATION USAGE

35       The strchr() function is preferred over this function.
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37       For maximum portability, it is recommended to replace the function call
38       to index() as follows:
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41              #define index(a,b) strchr((a),(b))
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RATIONALE

44       None.
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FUTURE DIRECTIONS

47       This function may be withdrawn in a future version.
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SEE ALSO

50       strchr(),   the   Base   Definitions  volume  of  IEEE Std 1003.1-2001,
51       <strings.h>
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54       Portions of this text are reprinted and reproduced in  electronic  form
55       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
56       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
57       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
58       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
59       event of any discrepancy between this version and the original IEEE and
60       The Open Group Standard, the original IEEE and The Open Group  Standard
61       is  the  referee document. The original Standard can be obtained online
62       at http://www.opengroup.org/unix/online.html .
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66IEEE/The Open Group                  2003                            INDEX(3P)
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