3 #ifndef _IS_HEADER_H_INCLUDED_
4 #define _IS_HEADER_H_INCLUDED_
10 /* message header classification
12 /* #include <is_header.h>
16 /* External interface. */
18 #define IS_HEADER_NULL_TERMINATED (-1)
19 #define is_header(str) is_header_buf(str, IS_HEADER_NULL_TERMINATED)
21 extern ssize_t
is_header_buf(const char *, ssize_t
);
26 /* The Secure Mailer license must be distributed with this software.
29 /* IBM T.J. Watson Research
31 /* Yorktown Heights, NY 10598, USA