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Linux 2.6 - man page for strcat (linux section 3posix)

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STRCAT(P)			    POSIX Programmer's Manual				STRCAT(P)

NAME
       strcat - concatenate two strings

SYNOPSIS
       #include <string.h>

       char *strcat(char *restrict s1, const char *restrict s2);

DESCRIPTION
       The  strcat()  function	shall append a copy of the string pointed to by s2 (including the
       terminating null byte) to the end of the string pointed to by s1. The initial byte  of  s2
       overwrites  the	null  byte  at the end of s1. If copying takes place between objects that
       overlap, the behavior is undefined.

RETURN VALUE
       The strcat() function shall return s1; no return value is reserved to indicate an error.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       This issue is aligned with the ISO C standard; this does  not  affect  compatibility  with
       XPG3 applications. Reliable error detection by this function was never guaranteed.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       strncat() , the Base Definitions volume of IEEE Std 1003.1-2001, <string.h>

COPYRIGHT
       Portions  of  this  text  are  reprinted  and  reproduced in electronic form from IEEE Std
       1003.1, 2003 Edition, Standard for Information Technology  --  Portable	Operating  System
       Interface  (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by
       the Institute of Electrical and Electronics Engineers, Inc and  The  Open  Group.  In  the
       event  of  any  discrepancy  between this version and the original IEEE and The Open Group
       Standard, the original IEEE and The Open Group Standard is the referee document. The orig-
       inal Standard can be obtained online at http://www.opengroup.org/unix/online.html .

IEEE/The Open Group			       2003					STRCAT(P)
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