|| POSIX Programmer's Manual
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
char *strdup(const char *
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.
() function may fail if:
Storage space available is insufficient.
The following sections are informative.
APPLICATION USAGE None.
FUTURE DIRECTIONS None.
malloc(), the Base Definitions volume of IEEE Std 1003.1-2001,
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 .