<dec f='src/src/sys/external/bsd/ipf/netinet/ip_fil.h' l='1935' type='u_int ipf_pcksum(fr_info_t * , int , u_int )'/>
<use f='src/src/sys/external/bsd/ipf/netinet/fil.c' l='3446' u='c' c='fr_cksum'/>
<def f='src/src/sys/external/bsd/ipf/netinet/ip_fil_netbsd.c' l='2130' ll='2153' type='u_int ipf_pcksum(fr_info_t * fin, int hlen, u_int sum)'/>
