Symbol: IP_V_A
usr/src/uts/common/inet/ipf/netinet/ip_compat.h
1781
# define IP_V_A(x,y) (x)->ip_v = (y)
usr/src/uts/common/inet/ipf/netinet/ip_compat.h
731
# define IP_V_A(x,y) (x)->ip_vhl |= (((y) << 4) & 0xf0)