On AIX 4.3.3.0 OpenAFS includes /usr/include/net/proto_net.h which wants to include <sys/call_ie.h>. Seems that IBM has forgotten that file. Anyone with a ready workaround? Details: /* @(#)18 1.21 src/bos/kernel/net/proto_net.h, sysnet, bos43R, r1999_45B0 11/8/99 18:14:31 */ bos.adt.include 4.3.3.75 COMMITTED Base Application Development Include Files Harald.