> there is no guarantee that > <sys/socket.h> is included prior to <netinet/in.h>, and it is not > possible for <netinet/in.h> to blindly include <sys/socket.h>. Why not? POSIX seems to anticipate this: >Inclusion of the <netinet/in.h> header may also make visible all symbols >from <inttypes.h> and <sys/socket.h>. Bill _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf