changes for 4.4BSD-Lite requested by USL

new copyright; att/bsd/shared

remove setjmp, longjmp

4.3BSD release version

make spl6, slp7 be ipl 16, 17 resp.

splx need not return previous priority

do validity checking on number of arguments (from donn@utah-cs)

Add copyright

remove bogus strncmp expansion

splhigh is 1f again; don't need splextreme

fix queue pattern (from chris@maryland)

splhigh should be ipl 18; add "splextreme" for spl7

copyin and copyout now take their parameters in registers

add imin, imax, min, and max as inline expansions

fix expansions for htons, ntohs, htonl, and ntohl

subsume Kernel dependent part of asm.c

setjmp is now expanded inline

add `skpc' instruction

add splhigh

pattern match only the routine being called (use lint to catch
incorrect calling sequences)

date and time created 84/05/12 17:44:09 by sam