ih_x1              44 netinet/ip_var.h 	u_int8_t  ih_x1[9];		/* (unused) */
ih_x1             253 netinet/tcp_subr.c 			bzero(ipovly->ih_x1, sizeof ipovly->ih_x1);
ih_x1              45 netinet/tcpip.h #define	ti_x1		ti_i.ih_x1
ih_x1              45 netinet/udp_var.h #define	ui_x1		ui_i.ih_x1