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This document is a Mac OS X manual page. Manual pages are a command-line technology for providing documentation. You can view these manual pages locally using the man(1) command. These manual pages come from many different sources, and thus, have a variety of writing styles. For more information about the manual page format, see the manual page for manpages(5). |
STRDUP(3) BSD Library Functions Manual STRDUP(3)
NAME
strdup -- save a copy of a string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <string.h>
char *
strdup(const char *s1);
DESCRIPTION
The strdup() function allocates sufficient memory for a copy of the
string s1, does the copy, and returns a pointer to it. The pointer may
subsequently be used as an argument to the function free(3).
If insufficient memory is available, NULL is returned and errno is set to
ENOMEM.
SEE ALSO
free(3), malloc(3)
HISTORY
The strdup() function first appeared in 4.4BSD.
BSD June 9, 1993 BSD
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