STRDUP(3)              FreeBSD Library Functions Manual              STRDUP(3)

NAME
     strdup, strndup - save a copy of a string

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <string.h>

     char *
     strdup(const char *str);

     char *
     strndup(const char *str, size_t len);

DESCRIPTION
     The strdup() function allocates sufficient memory for a copy of the
     string str, does the copy, and returns a pointer to it.  The memory is
     allocated with malloc(3) and should be released with free(3) when no
     longer needed.

     The strndup() function copies at most len characters from the string str
     always NUL terminating the copied string.

RETURN VALUES
     If insufficient memory is available, NULL is returned and errno is set to
     ENOMEM.  Otherwise, the strdup() family of functions return a pointer to
     the copied string.

SEE ALSO
     free(3), malloc(3), wcsdup(3)

STANDARDS
     The strdup() function is specified by IEEE Std 1003.1-2001 ("POSIX.1").
     The strndup() function is specified by IEEE Std 1003.1-2008 ("POSIX.1").

HISTORY
     The strdup() function first appeared in 4.3BSD-Reno.  The strndup()
     function was added in FreeBSD 7.2.

FreeBSD 13.1-RELEASE-p6           May 5, 2020          FreeBSD 13.1-RELEASE-p6