Originální popis anglicky:
strdup - duplicate a string
Návod, kniha: POSIX Programmer's Manual
#include <string.h>
char *strdup(const char *
s1);
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.
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.
The
strdup() function may fail if:
- ENOMEM
- Storage space available is insufficient.
The following sections are informative.
None.
None.
None.
None.
free() ,
malloc() , the Base Definitions volume of
IEEE Std 1003.1-2001,
<string.h>
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
.
