STRDUP(3P)                                          POSIX Programmer's Manual                                         STRDUP(3P)



PROLOG
       This  manual  page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may differ (con-
       sult the corresponding Linux manual page for details of Linux behavior), or the  interface  may  not  be  implemented  on
       Linux.

NAME
       strdup - duplicate a string

SYNOPSIS
       #include <string.h>

       char *strdup(const char *s1);


DESCRIPTION
       The  strdup()  function shall return a pointer to a new string, which is a duplicate of the string pointed to by s1.  The
       returned pointer can be passed to free(). A null pointer is returned if the new string cannot be created.

RETURN VALUE
       The strdup() function shall return a pointer to a new string on success. Otherwise, it shall return a  null  pointer  and
       set errno to indicate the error.

ERRORS
       The strdup() function may fail if:

       ENOMEM Storage space available is insufficient.


       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       free(), malloc(), 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,  Copy-
       right (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   original   Standard   can   be   obtained  online  at  http://www.open-
       group.org/unix/online.html .



IEEE/The Open Group                                           2003                                                    STRDUP(3P)