$ make
cc -o alphatross -Wno-deprecated-declarations -Wno-pointer-to-int-cast -g alphatross.c  -I. -I /usr/include -I/usr/X11R6/LessTif/Motif1.2/include -L/usr/X11R6/lib -L/usr/lib/X11 -lXm -lXt -lX11 -lm
In file included from alphatross.c:78:0:
./oual.h:63:1: warning: useless storage class specifier in empty declaration [enabled by default]
 };
 ^
alphatross.c: In function ‘TimeOutCB’:
alphatross.c:3852:57: warning: incompatible implicit declaration of built-in function ‘exp10’ [enabled by default]
                                         IGValue = 1.0 * exp10((atof(command) - 10.0));
                                                         ^
alphatross.c:4086:49: warning: incompatible implicit declaration of built-in function ‘exp10’ [enabled by default]
                                 IGValue = 1.0 * exp10((atof(command) - 10.0));
                                                 ^
alphatross.c:4781:9: warning: passing argument 3 of ‘XtAppAddTimeOut’ from incompatible pointer type [enabled by default]
         XtAppAddTimeOut(XtWidgetToApplicationContext(client_data), time, TimeOutCB, (XtPointer) client_data);
         ^
In file included from /usr/include/Xm/Xm.h:59:0,
                 from /usr/include/Xm/DrawingA.h:32,
                 from alphatross.c:83:
/usr/include/X11/Intrinsic.h:978:21: note: expected ‘XtTimerCallbackProc’ but argument is of type ‘void (*)(struct _WidgetRec *, XtIntervalId *)’
 extern XtIntervalId XtAppAddTimeOut(
                     ^
#cc -o alphatross -w -g alphatross.c  -I. -I /usr/include -I/usr/X11R6/LessTif/Motif1.2/include -L/usr/X11R6/lib -L/usr/lib/X11 -lXm -lXt -lX11 -lm