1STRSTR(P)                  POSIX Programmer's Manual                 STRSTR(P)
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NAME

6       strstr - find a substring
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SYNOPSIS

9       #include <string.h>
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11       char *strstr(const char *s1, const char *s2);
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DESCRIPTION

15       The  strstr()  function shall locate the first occurrence in the string
16       pointed to by s1 of the sequence of bytes  (excluding  the  terminating
17       null byte) in the string pointed to by s2.
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RETURN VALUE

20       Upon  successful  completion,  strstr()  shall  return a pointer to the
21       located string or a null pointer if the string is not found.
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23       If s2 points to a string with zero length, the  function  shall  return
24       s1.
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ERRORS

27       No errors are defined.
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29       The following sections are informative.
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EXAMPLES

32       None.
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APPLICATION USAGE

35       None.
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RATIONALE

38       None.
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FUTURE DIRECTIONS

41       None.
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SEE ALSO

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