swabst
swabst("ls", (u_char *) dp);
void swabst(const char *, u_char *);
swabst("8l4s31l", (u_char *)buf);
swabst("l",(u_char *) &buf->c_level);
swabst("2l",(u_char *) &buf->c_flags);
swabst("l", (u_char *)&x);