--- pgp/src/zunzip.h	2018/04/24 16:41:03	1.1.1.5
+++ pgp/src/zunzip.h	2018/04/24 16:45:30	1.1.1.8
@@ -62,7 +62,7 @@
     And now, our MS-DOS and OS/2 corner:
   ---------------------------------------------------------------------------*/
 
-#ifdef __TURBOC__
+#if defined(__TURBOC__) && !defined(__PUREC__)
 #  define DOS_OS2             /* Turbo C under DOS, MSC under DOS or OS2    */
 #  ifndef __BORLANDC__        /* There appears to be a bug ?? in Borland's  */
 #	include <alloc.h>
@@ -121,7 +121,11 @@
 #        define SHORT_NAMES
 #        define tzset  settz
 #      else /* !COHERENT */
-#        include <fcntl.h>      /* #define O_BINARY 0x8000 (no CR/LF */
+#       ifndef __PUREC__
+#        ifndef C370             /* not defined in C370 library */
+#         include <fcntl.h>      /* #define O_BINARY 0x8000 (no CR/LF */
+#        endif /* !C370 */
+#       endif
 #      endif /* ?COHERENT */    /*   translation), as used in open() */
 #    endif /* ?MTS */
 #  endif /* ?V7 */
@@ -131,14 +135,13 @@
     And some Mac stuff for good measure:
   ---------------------------------------------------------------------------*/
 
-#ifdef THINK_C
+#ifdef MACTC5
 #  define MACOS
 #  ifndef __STDC__            /* THINK_C isn't truly ANSI-standard, */
 #    define __STDC__ 1        /*   but it understands prototypes...so */
 #  endif                      /*   it's close enough for our purposes */
 #  include <time.h>
 #  include <unix.h>
-#  include "macstat.h"
 #endif
 #ifdef MPW                    /* not tested yet - should be easy enough tho */
 #  define MACOS
@@ -169,8 +172,13 @@
 #define MAX_BITS      13                 /* used in unShrink() */
 #define HSIZE         (1 << MAX_BITS)    /* size of global work area */
 
+#ifdef EBCDIC             /* already defined in usuals.h */
+#undef LF
+#undef CR
+#else
 #define LF   10   /* '\n' on ASCII machines.  Must be 10 due to EBCDIC */
 #define CR   13   /* '\r' on ASCII machines.  Must be 13 due to EBCDIC */
+#endif
 
 #ifdef AMIGA
 #  define FFLUSH    fflush(stderr);
@@ -293,7 +301,8 @@ int unzip			__( ( FILE *inFile, FILE *ou
  *
  */
 
-#define PEEKBIT(nbits) ( nbits > bits_left ? (FillBitBuffer(), bitbuf & mask_bits[nbits]) : bitbuf & mask_bits[nbits] )
+#define PEEKBIT(nbits) ( nbits > bits_left ? \
+(FillBitBuffer(), bitbuf & mask_bits[nbits]) : bitbuf & mask_bits[nbits] )
 
 #endif