NAME
strdup, strndup
— save a copy of a
string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include
<string.h>
char *
strdup(const char *s1);
char *
strndup(const char *s1,
size_t n);
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.
The
strndup()
function copies at most n characters from the string
s1 always NUL terminating the
copied string.
SEE ALSO
HISTORY
The strdup() function first appeared in
4.4BSD. The strndup()
function was added in FreeBSD 7.2.