mac.c:
check_debugger(): all code commented out for THINK_C
unloadsegments(): all code commented out for THINK_C
main(): code for unloading the screenmanager is commented out for THINK_C

macio.c:
get_check(): change x,y to short?

macmoria.r: no SIZE resource, and no help text
the help text, as a precompiled resource, is available in the file
miscrsrc.hqx  This resource has incorrect version numbers, so you should
edit it before you use it to change the version numbers from 5.2.2 to
5.5.

There should not be any version numbers as text in any Mac file.