Discontinue HPUX support

cde/programs/dtterm/tests/shared/include_files.h

@@ -25,10 +25,6 @@
 #define DO_NOT_NEED_NOW
 #endif
 
-#ifndef _HPUX_SOURCE
-#define _HPUX_SOURCE
-#endif
-
 #include <stdio.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>

cde/programs/dtterm/tests/shared/p2c.h

@@ -40,10 +40,6 @@
 /* If the following heuristic fails, compile -DBSD=0 for non-BSD systems,
    or -DBSD=1 for BSD systems. */
 
-#ifdef M_XENIX
-# define BSD 0
-#endif
-
 #ifdef FILE       /* a #define in BSD, a typedef in SYSV (hp-ux, at least) */
 # ifndef BSD	  /*  (a convenient, but horrible kludge!) */
 #  define BSD 1
@@ -115,12 +111,6 @@ typedef struct __p2c_jmp_buf {
 
 
 
-#ifdef M_XENIX  /* avoid compiler bug */
-# define SHORT_MAX  (32767)
-# define SHORT_MIN  (-32768)
-#endif
-
-
 /* The following definitions work only on twos-complement machines */
 #ifndef SHORT_MAX
 # define SHORT_MAX  (((unsigned short) -1) >> 1)