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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.

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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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