address family into a character string.
The resulting string is copied to the buffer pointed to by
.IR dst ,
-which must be a non-NULL pointer.
+which must be a non-null pointer.
The caller specifies the number of bytes available in this buffer in
the argument
.IR size .
.SH RETURN VALUE
On success,
.BR inet_ntop ()
-returns a non-NULL pointer to
+returns a non-null pointer to
.IR dst .
NULL is returned if there was an error, with
.I errno