--- pgp/src/fileio.h	2018/04/24 16:37:53	1.1
+++ pgp/src/fileio.h	2018/04/24 16:41:12	1.1.1.5
@@ -6,26 +6,53 @@
 #define SEEK_END 2
 #endif
 
+#ifdef VMS
+#define PGP_SYSTEM_DIR "PGP$LIBRARY:"
+#define FOPRBIN		"rb","ctx=stm"
+#define FOPRTXT		"r"
+#if 0
+#define FOPWBIN		"ab","fop=cif"
+#define FOPWTXT		"a","fop=cif"
+#else
+#define FOPWBIN		"wb"
+#define FOPWTXT		"w"
+#endif
+#define FOPRWBIN	"r+b","ctx=stm"
+#define FOPWPBIN	"w+b","ctx=stm"
+#else
+#ifdef UNIX
+/*
+ * Directory for system-wide files.  Must end in a /, ready for
+ * dumb appending of the filename.  (If not defined, it's not used.)
+ */
+#define PGP_SYSTEM_DIR "/usr/local/lib/pgp/"
+#define FOPRBIN		"r"
+#define FOPRTXT		"r"
+#define FOPWBIN		"w"
+#define FOPWTXT		"w"
+#define FOPRWBIN	"r+"
+#define FOPWPBIN	"w+"
+#else /* !UNIX && !VMS */
+#define FOPRBIN		"rb"
+#define FOPRTXT		"r"
+#define FOPWBIN		"wb"
+#define FOPWTXT		"w"
+#define FOPRWBIN	"r+b"
+#define FOPWPBIN	"w+b"
+#endif /* UNIX */
+#endif /* VMS */
 
 #define	TMP_WIPE		1
 #define	TMP_TMPDIR		4
 
 #define equal_buffers(buf1,buf2,count)	!memcmp( buf1, buf2, count )
 
-/* This macro is for burning sensitive data (byte arrays only) on stack.
-   Many of the file I/O routines use it for zapping buffers */
-#define burn(x) fill0(x,sizeof(x))
-
 /* Returns TRUE iff file is can be opened for reading. */
 boolean file_exists(char *filename);
 
 /* Returns TRUE iff file can be opened for writing. Does not harm file! */
 boolean file_ok_write(char *filename);
 
-/* Completely overwrite and erase file, so that no sensitive information is
-   left on the disk */
-int wipeout(FILE *f);
-
 /* Completely overwrite and erase file of given name, so that no sensitive
    information is left on the disk */
 int wipefile(char *filename);
@@ -48,12 +75,15 @@ void force_extension(char *filename, cha
 boolean getyesno(char default_answer);
 
 /* If luser consents to it, change the filename extension */
-void maybe_force_extension(char *filename, char *extension);
+char *maybe_force_extension(char *filename, char *extension);
 
 /* Builds a filename with a complete path specifier from the environmental
    variable PGPPATH */
 char *buildfilename(char *result, char *fname);
 
+/* The same, but also searches PGP_SYETEM_DIR */
+char *buildsysfilename(char *result, char *fname);
+
 /* Build a path for fileName based on origPath */
 int build_path(char *path, char *fileName, char *origPath);
 
@@ -94,7 +124,7 @@ int rename2(char *srcFile, char *destFil
 int readPhantomInput(char *filename);
 
 /* Write the data from the phantom output file to stdout */
-void writePhantomOutput(char *filename);
+int writePhantomOutput(char *filename);
 
 /* Return the size from the current position of file f to the end */
 word32 fsize (FILE *f);
@@ -105,10 +135,21 @@ int is_text_file (char *filename);
 FILE *fopenbin(char *, char *);
 FILE *fopentxt(char *, char *);
 
-void *xmalloc(unsigned);
+VOID *xmalloc(unsigned);
 
 char *tempfile(int);
 void rmtemp(char *);
 char *savetemp(char *, char *);
 void cleanup_tmpf(void);
 int savetempbak(char *, char *);
+
+extern int write_error(FILE *f);
+extern void settmpdir(char *path);
+extern void setoutdir(char *filename);
+extern boolean is_tempfile(char *path);
+extern boolean has_extension(char *filename, char *extension);
+
+/* Directories to search for the manuals */
+extern char const * const manual_dirs[];
+/* Returns non-zero if any manuals are missing */
+unsigned manuals_missing(void);