Structs starting with `a' in Net2

• acct sys/acct.h:43
• act_ent netiso/tp_driver.c:10
• args kern/vfs_syscalls.c:653
• arpcom netinet/if_ether.h:86
• arphdr net/if_arp.h:46
• arpreq net/if_arp.h:68