Flatten InfoZIP directory and fix build issues

third_party/zip/ttyio.h

@@ -0,0 +1,115 @@
+/* clang-format off */
+/*
+  ttyio.h - Zip 3
+
+  Copyright (c) 1990-2005 Info-ZIP.  All rights reserved.
+
+  See the accompanying file LICENSE, version 2005-Feb-10 or later
+  (the contents of which are also included in zip.h) for terms of use.
+  If, for some reason, all these files are missing, the Info-ZIP license
+  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
+*/
+/*
+   ttyio.h
+ */
+
+#ifndef __ttyio_h   /* don't include more than once */
+#define __ttyio_h
+
+#ifndef __crypt_h
+#include "third_party/zip/crypt.h"  /* ensure that encryption header file has been seen */
+#endif
+
+#if (CRYPT || (defined(UNZIP) && !defined(FUNZIP)))
+/*
+ * Non-echo keyboard/console input support is needed and enabled.
+ */
+
+#ifndef __G         /* UnZip only, for now (DLL stuff) */
+#  define __G
+#  define __G__
+#  define __GDEF
+#  define __GPRO    void
+#  define __GPRO__
+#endif
+
+#ifndef ZCONST      /* UnZip only (until have configure script like Zip) */
+#  define ZCONST const
+#endif
+
+#if (defined(MSDOS) || defined(OS2) || defined(WIN32))
+#  ifndef DOS_OS2_W32
+#    define DOS_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_OS2_W32) || defined(__human68k__))
+#  ifndef DOS_H68_OS2_W32
+#    define DOS_H68_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_OS2_W32) || defined(FLEXOS))
+#  ifndef DOS_FLX_OS2_W32
+#    define DOS_FLX_OS2_W32
+#  endif
+#endif
+
+#if (defined(DOS_H68_OS2_W32) || defined(FLEXOS))
+#  ifndef DOS_FLX_H68_OS2_W32
+#    define DOS_FLX_H68_OS2_W32
+#  endif
+#endif
+
+#if (defined(__ATHEOS__) || defined(__BEOS__) || defined(UNIX))
+#  ifndef ATH_BEO_UNX
+#    define ATH_BEO_UNX
+#  endif
+#endif
+
+#if (defined(VM_CMS) || defined(MVS))
+#  ifndef CMS_MVS
+#    define CMS_MVS
+#  endif
+#endif
+
+
+/* Function prototypes */
+
+/* For all other systems, ttyio.c supplies the two functions Echoff() and
+ * Echon() for suppressing and (re)enabling console input echo.
+ */
+#ifndef echoff
+#  define echoff(f)  Echoff(__G__ f)
+#  define echon()    Echon(__G)
+   void Echoff OF((__GPRO__ int f));
+   void Echon OF((__GPRO));
+#endif
+
+/* this stuff is used by MORE and also now by the ctrl-S code; fileio.c only */
+#if (defined(UNZIP) && !defined(FUNZIP))
+#  ifdef HAVE_WORKING_GETCH
+#    define FGETCH(f)  getch()
+#  endif
+#  ifndef FGETCH
+     /* default for all systems where no getch()-like function is available */
+     int zgetch OF((__GPRO__ int f));
+#    define FGETCH(f)  zgetch(__G__ f)
+#  endif
+#endif /* UNZIP && !FUNZIP */
+
+#if (CRYPT && !defined(WINDLL))
+   char *getp OF((__GPRO__ ZCONST char *m, char *p, int n));
+#endif
+
+#else /* !(CRYPT || (UNZIP && !FUNZIP)) */
+
+/*
+ * No need for non-echo keyboard/console input; provide dummy definitions.
+ */
+#define echoff(f)
+#define echon()
+
+#endif /* ?(CRYPT || (UNZIP && !FUNZIP)) */
+
+#endif /* !__ttyio_h */