🚀 go-pugleaf

I am trying to compile screen on an SCO Open Desktop 2.0
Development/Server system. I run "sh configure", and configure
completes without overt errors, but I get the following compile errors
on the first module. Does anyone know how to get past this?

Thanks,
Bob Drzyzgula
Federal Reserve Board
rcd@fed.frb.gov


<<From patchlevel.h:
* $Header: /src.stand/pub/utilities/screen/3.2/RCS/patchlevel.h,v 1.2 92/02/03
02:27:59 jnweiger Exp $ 
< stuff deleted...>
* patchlevel.h: Our life story.
< stuff deleted...>
* 31.01.92 -- 3.02.00 Ultrix port, Irix 3.3 SGI port, shadow pw support,
*                     data loss on stdin overflow fixed. "refresh off".
*/

#define ORIGIN "FAU"
#define REV 3
#define VERS 2
#define PATCHLEVEL 0
#define DATE "10/28/92"
#define STATE "b"
:From patchlevel.h>>

cc -c -g  -I. -DETCSCREENRC=\"/usr/local/lib/screenrc\" ./screen.c
./screen.c
./screen.h(166) : error C2086: 'pid_t' : redefinition
./screen.h(167) : error C2086: 'gid_t' : redefinition
./screen.h(168) : error C2086: 'uid_t' : redefinition
./screen.c(114) : warning C4028: parameter 1 declaration different
./extern.h(89) : warning C4028: parameter 1 declaration different
./extern.h(105) : error C2086: 'setsid' : redefinition
./extern.h(109) : warning C4028: parameter 2 declaration different
./extern.h(111) : error C2086: 'getpid' : redefinition
./extern.h(112) : error C2086: 'getuid' : redefinition
./extern.h(113) : error C2086: 'geteuid' : redefinition
./extern.h(114) : error C2086: 'getgid' : redefinition
./extern.h(115) : error C2086: 'getegid' : redefinition
./screen.c(340) : warning C4028: parameter 2 declaration different
./screen.c(1054) : warning C4028: parameter 0 declaration different
./screen.c(1054) : warning C4024: 'signal' : different types : parameter 2
<more of the same>
./screen.c(2579) : warning C4028: parameter 0 declaration different
./screen.c(2579) : warning C4024: 'signal' : different types : parameter 2
./screen.c(3245) : warning C4113: function parameter lists differed
./screen.c(3261) : warning C4113: function parameter lists differed
./screen.c(3262) : warning C4113: function parameter lists differed
./screen.c(3363) : warning C4028: parameter 0 declaration different
./screen.c(3363) : warning C4024: 'signal' : different types : parameter 2
<more of the same>
./screen.c(3393) : warning C4113: function parameter lists differed
./screen.c(3566) : warning C4028: parameter 0 declaration different
./screen.c(3566) : warning C4024: 'signal' : different types : parameter 2
*** Error code 9

Stop.