at_cksum           97 netatalk/at_extern.h u_int16_t	at_cksum(struct mbuf *, int);
at_cksum          358 netatalk/ddp_input.c 	if ( ddp_cksum && cksum && cksum != at_cksum( m, sizeof( int ))) {
at_cksum           96 netatalk/ddp_output.c u_int16_t at_cksum( struct mbuf *, int );
at_cksum          134 netatalk/ddp_output.c 	deh->deh_sum = at_cksum( m, sizeof( int ));