1STRDUP(P) POSIX Programmer's Manual STRDUP(P)
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6 strdup - duplicate a string
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9 #include <string.h>
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11 char *strdup(const char *s1);
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15 The strdup() function shall return a pointer to a new string, which is
16 a duplicate of the string pointed to by s1. The returned pointer can
17 be passed to free(). A null pointer is returned if the new string can‐
18 not be created.
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21 The strdup() function shall return a pointer to a new string on suc‐
22 cess. Otherwise, it shall return a null pointer and set errno to indi‐
23 cate the error.
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26 The strdup() function may fail if:
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28 ENOMEM Storage space available is insufficient.
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31 The following sections are informative.
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34 None.
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37 None.
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40 None.
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43 None.
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46 free() , malloc() , the Base Definitions volume of
47 IEEE Std 1003.1-2001, <string.h>
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50 Portions of this text are reprinted and reproduced in electronic form
51 from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
52 -- Portable Operating System Interface (POSIX), The Open Group Base
53 Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
54 Electrical and Electronics Engineers, Inc and The Open Group. In the
55 event of any discrepancy between this version and the original IEEE and
56 The Open Group Standard, the original IEEE and The Open Group Standard
57 is the referee document. The original Standard can be obtained online
58 at http://www.opengroup.org/unix/online.html .
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62IEEE/The Open Group 2003 STRDUP(P)