STRDUP
Section: POSIX Programmer's Manual (3P)
Updated: 2003
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PROLOG
This manual page is part of the POSIX Programmer's Manual.
The Linux implementation of this interface may differ (consult
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, 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 original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .