root/libexec/bootpd/tools/bootptest/bootptest.h
/* bootptest.h */
/*
 * Hacks for sharing print-bootp.c between tcpdump and bootptest.
 */
#define ESRC(p) (p)
#define EDST(p) (p)

extern int vflag; /* verbose flag */

/* global pointers to beginning and end of current packet (during printing) */
extern unsigned char *packetp;
extern unsigned char *snapend;

void     bootp_print(struct bootp *bp, int length, u_short sport,
            u_short dport);
char    *ipaddr_string(struct in_addr *);
int      printfn(u_char *s, u_char *ep);