<dec f='src/src/sys/netatalk/at_extern.h' l='59' type='u_int16_t at_cksum(struct mbuf * , int )'/>
<use f='src/src/sys/netatalk/ddp_input.c' l='301' u='c' c='ddp_input'/>
<use f='src/src/sys/netatalk/ddp_output.c' l='81' u='c' c='ddp_output'/>
<def f='src/src/sys/netatalk/ddp_output.c' l='89' ll='113' type='u_int16_t at_cksum(struct mbuf * m, int skip)'/>
