Defines starting with `a' in nfs

• AUTH_BADCRED nfs/rpcv2.h:71
• AUTH_BADVERF nfs/rpcv2.h:73
• AUTH_REJECTCRED nfs/rpcv2.h:72
• AUTH_REJECTVERF nfs/rpcv2.h:74
• AUTH_TOOWEAK nfs/rpcv2.h:75