diff -urN vche-1.7.2/src/Makefile vche-1.7.2-64/src/Makefile
--- vche-1.7.2/src/Makefile	Tue Aug 17 01:09:48 1999
+++ vche-1.7.2-64/src/Makefile	Sun Jan 26 15:53:23 2003
@@ -11,6 +11,14 @@
 	make -f Rules.make VCHE_RAW=1
 	make -f Rules.make mostly_clean
 	make -f Rules.make VCHE_NC=1
+	
+	make -f Rules.make mostly_clean
+	make -f Rules.make VCHE_VC=1 LARGE_FILE=1
+	make -f Rules.make mostly_clean
+	make -f Rules.make VCHE_RAW=1 LARGE_FILE=1
+	make -f Rules.make mostly_clean
+	make -f Rules.make VCHE_NC=1 LARGE_FILE=1
+
 
 mostly_clean:
 	make -f Rules.make mostly_clean
diff -urN vche-1.7.2/src/Rules.make vche-1.7.2-64/src/Rules.make
--- vche-1.7.2/src/Rules.make	Sun Nov  7 23:24:53 1999
+++ vche-1.7.2-64/src/Rules.make	Sun Jan 26 15:54:36 2003
@@ -13,7 +13,7 @@
 PROG_NC  = vche-nc
 LIB_NC   = nclib.o
 
-VC_PROGRAMS = $(PROG_VC) $(PROG_RAW) $(PROG_NC)
+VC_PROGRAMS = $(PROG_VC) $(PROG_RAW) $(PROG_NC) $(PROG_VC)64 $(PROG_RAW)64 $(PROG_NC)64
 
 ifdef VCHE_VC
       VC_OBJ  = $(LIB_VC)
@@ -70,6 +70,11 @@
 
 # Compiler flags
 CCOPTS = -O2 -fomit-frame-pointer
+
+ifdef LARGE_FILE
+CCOPTS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+VC_PROG := $(VC_PROG)64
+endif
 
 # It's the shell that make will use.
 SHELL = /bin/sh
diff -urN vche-1.7.2/src/common.h vche-1.7.2-64/src/common.h
--- vche-1.7.2/src/common.h	Mon Nov  8 20:59:16 1999
+++ vche-1.7.2-64/src/common.h	Sun Jan 26 15:46:55 2003
@@ -221,6 +221,12 @@
 #define VC_CASE_SENSITIVE   0
 #define VC_CASE_INSENSITIVE 1
 
+#if _FILE_OFFSET_BITS == 64
+#define OFF_T_SCANF_FMT "%ll"
+#else
+#define OFF_T_SCANF_FMT "%l"
+#endif
+
 /*
  * Global variables
  */
@@ -268,7 +274,7 @@
 
 extern int bread;
 
-extern long vc_filesize;
+extern off_t vc_filesize;
 
 #if defined(VCHE_VC)
 
@@ -307,7 +313,7 @@
 /* The double linked list file structure */
 struct ll_file {
         char *filename;
-        long filepos;
+        off_t filepos;
         struct ll_file *next;
         struct ll_file *prev;
 };
@@ -324,7 +330,7 @@
 /* The linked list for editing changes */
 struct ll_edit {
        char byte;
-       long filepos;
+       off_t filepos;
        struct ll_edit *next;
 };
 
@@ -339,7 +345,7 @@
 extern int current_color;
 #endif
 
-extern long fpos;
+extern off_t fpos;
 
 extern int edit_mask;
 
@@ -352,7 +358,7 @@
 void edit_insert_in_obuffer( char byte, int what_attr);
 
 /* file.c */
-#define file_getpos() lseek( fd, (long) 0, SEEK_CUR);
+#define file_getpos() lseek( fd, (off_t) 0, SEEK_CUR);
 int file_go_next( void);
 int file_go_prev( void);
 void file_open( char *filename);
@@ -366,7 +372,7 @@
 void file_next_block( void);
 void file_prev_block( void);
 void file_getsize( void);
-int file_is_a_valid_offset( long offset);
+int file_is_a_valid_offset( off_t offset);
 
 /* help.c */
 void help( void);
@@ -377,7 +383,7 @@
 void hex_mainloop( int view_or_edit);
 void hex_showfile( void);
 void hex_fill_hex_buffer( char *buf, int size);
-void hex_fill_offset_buffer( long pos);
+void hex_fill_offset_buffer( off_t pos);
 void hex_fill_ascii_buffer( char *buf, int size);
 #if defined(VCHE_VC)
 void hex_fill_zero_buffer( char *buf, int size);
@@ -417,7 +423,7 @@
 int ll_file_browse_next( int nitems);
 int ll_file_browse_back( int nitems);
 struct ll_edit *ll_edit_alloc( char byte);
-void ll_edit_add( char byte, long filepos, struct ll_edit *tmp);
+void ll_edit_add( char byte, off_t filepos, struct ll_edit *tmp);
 void ll_edit_free( void);
 
 /* misc.c */
@@ -425,7 +431,7 @@
 void draw_filename( char *filename);
 void draw_main_screen( void);
 void draw_fkeys( struct fkey_text fkt[]);
-void draw_offset_n_perc( long offset);
+void draw_offset_n_perc( off_t offset);
 void set_flag( int flag);
 void *allocate_mem( int size);
 char *trim_spaces( char *s);
diff -urN vche-1.7.2/src/edit.c vche-1.7.2-64/src/edit.c
--- vche-1.7.2/src/edit.c	Tue Aug 17 01:09:48 1999
+++ vche-1.7.2-64/src/edit.c	Sun Jan 26 15:25:31 2003
@@ -951,7 +951,7 @@
         free( temp);
  }
 
- lseek( fd, (long) fpos, SEEK_SET);
+ lseek( fd, (off_t) fpos, SEEK_SET);
 
  ll_edit_head = NULL;
 
diff -urN vche-1.7.2/src/file.c vche-1.7.2-64/src/file.c
--- vche-1.7.2/src/file.c	Mon Nov  8 20:53:39 1999
+++ vche-1.7.2-64/src/file.c	Sun Jan 26 15:44:18 2003
@@ -23,7 +23,7 @@
 #include "common.h"
 
 /* The size of the file we are viewing or editing */
-long vc_filesize;
+off_t vc_filesize;
 
 int file_go_next( void)
 {
@@ -138,7 +138,7 @@
       return;
  }
 
- fpos = lseek( fd, ( long) bytes_per_row, SEEK_CUR);
+ fpos = lseek( fd, ( off_t) bytes_per_row, SEEK_CUR);
 
  hex_showfile();
 }
@@ -147,12 +147,12 @@
 {
  if( vc_filesize >= 0 && fpos < bytes_per_row) {
      term_beep();
-     fpos = lseek( fd, (long) 0, SEEK_SET);
+     fpos = lseek( fd, (off_t) 0, SEEK_SET);
      hex_showfile();
      return;
  }
 
- fpos = lseek( fd, ( long) -1 * bytes_per_row, SEEK_CUR);
+ fpos = lseek( fd, ( off_t) -1 * bytes_per_row, SEEK_CUR);
  hex_showfile();
 }
 
@@ -166,7 +166,7 @@
       return;
  }
  
- fpos = lseek( fd, ( long) 1, SEEK_CUR);
+ fpos = lseek( fd, ( off_t) 1, SEEK_CUR);
  hex_showfile();
 }
 
@@ -178,7 +178,7 @@
      return;
  }
 
- fpos = lseek( fd, ( long) -1, SEEK_CUR);
+ fpos = lseek( fd, ( off_t) -1, SEEK_CUR);
  hex_showfile();
 }
 
@@ -189,7 +189,7 @@
      return;
  }
 
- fpos = lseek( fd, (long) 0, SEEK_SET);
+ fpos = lseek( fd, (off_t) 0, SEEK_SET);
  hex_showfile();
 }
 
@@ -203,7 +203,7 @@
       return;
  }
 
- fpos = lseek( fd, (long) vc_filesize - (vc_filesize % bytes_to_read), SEEK_SET);
+ fpos = lseek( fd, (off_t) vc_filesize - (vc_filesize % bytes_to_read), SEEK_SET);
  hex_showfile();
 }
 
@@ -217,7 +217,7 @@
       return;
  }
 
- fpos = lseek( fd, (long) bytes_to_read, SEEK_CUR);
+ fpos = lseek( fd, (off_t) bytes_to_read, SEEK_CUR);
  hex_showfile();
 }
 
@@ -225,12 +225,12 @@
 {
  if( vc_filesize >= 0 && fpos < bytes_to_read) {
      term_beep();
-     fpos = lseek( fd, (long) 0, SEEK_SET);
+     fpos = lseek( fd, (off_t) 0, SEEK_SET);
      hex_showfile();
      return;
  }
 
- fpos = lseek( fd, (long) -1 * bytes_to_read, SEEK_CUR);
+ fpos = lseek( fd, (off_t) -1 * bytes_to_read, SEEK_CUR);
  hex_showfile();
 }
 
@@ -255,7 +255,7 @@
                      anyway, it will give wrong offsets when the device
                      size is greater than LONG_MAX */
  double low  = 0;
- long size = 0;
+ off_t size = 0;
  int i = 0;
 
  vc_filesize = stbuf.st_size;
@@ -310,20 +310,20 @@
                         */
 
                        low = 0;
-                       for( high = 1024; file_is_a_valid_offset( (long) high); high *= 2)
+                       for( high = 1024; file_is_a_valid_offset( (off_t) high); high *= 2)
                             low = high;
 
                        while( low < high - 1) {
                               const double mid = ( low + high) / 2;
 
-                              if( file_is_a_valid_offset( (long) mid))
+                              if( file_is_a_valid_offset( (off_t) mid))
                                   low = mid;
                               else
                                   high = mid;
                        }
                        lseek( fd, 0L, SEEK_SET);
 
-                       vc_filesize = ( long) low + 1;
+                       vc_filesize = ( off_t) low + 1;
 
                        break;
                /* Enter it manually */ 
@@ -348,9 +348,9 @@
 #endif
 
                        if( !strncasecmp( size_str, "0x", 2))
-                           sscanf( size_str, "%lx", &vc_filesize);
+                           sscanf( size_str, OFF_T_SCANF_FMT "x", &vc_filesize);
                        else
-                           vc_filesize = atol( size_str);
+                           sscanf( size_str, OFF_T_SCANF_FMT "d", &vc_filesize);
 
 #if defined(VCHE_VC) || defined(VCHE_RAW)
                        lib_load_screen();
@@ -379,7 +379,7 @@
 
 }
 
-int file_is_a_valid_offset( long offset)
+int file_is_a_valid_offset( off_t offset)
 {
  char c;
 
diff -urN vche-1.7.2/src/hex.c vche-1.7.2-64/src/hex.c
--- vche-1.7.2/src/hex.c	Fri Aug 20 01:27:23 1999
+++ vche-1.7.2-64/src/hex.c	Sun Jan 26 15:33:45 2003
@@ -45,7 +45,7 @@
 char *offset_buffer;
 
 
-long fpos;                             /* File position                    */
+off_t fpos;                             /* File position                    */
 int bread;                             /* bytes read                       */
 
 int bytes_to_read;                     /* Quantity of bytes to read        */
@@ -90,7 +90,7 @@
                           set_flag( FLAG_READONLY);
                           ll_file_current->filepos = fpos;
                           file_open( ll_file_current->filename);
-                          fpos = lseek( fd, (long) ll_file_current->filepos, SEEK_SET);
+                          fpos = lseek( fd, (off_t) ll_file_current->filepos, SEEK_SET);
                           draw_filename( ll_file_current->filename);
                           hex_showfile();
                           lib_flush();
@@ -103,7 +103,7 @@
                 case 'n': ll_file_current->filepos = fpos;
                           if( file_go_next() == -1)
                               break;
-                          fpos = lseek( fd, (long) ll_file_current->filepos, SEEK_SET);
+                          fpos = lseek( fd, (off_t) ll_file_current->filepos, SEEK_SET);
                           draw_filename( ll_file_current->filename);
                           hex_showfile();
                           lib_flush();
@@ -112,7 +112,7 @@
                 case 'p': ll_file_current->filepos = fpos;
                           if( file_go_prev() == -1)
                               break;
-                          fpos = lseek( fd, (long) ll_file_current->filepos, SEEK_SET);
+                          fpos = lseek( fd, (off_t) ll_file_current->filepos, SEEK_SET);
                           draw_filename( ll_file_current->filename);
                           hex_showfile();
                           lib_flush();
@@ -294,7 +294,7 @@
 
 void hex_showfile( void)
 {
- long lfpos;
+ off_t lfpos;
  int startxy;
  int size;
  int line;
@@ -308,7 +308,7 @@
 
  bread = read( fd, hbuffer, bytes_to_read);
 
- lseek( fd, (long) fpos, SEEK_SET);
+ lseek( fd, (off_t) fpos, SEEK_SET);
 
  if( bread < bytes_to_read)
      memset( hbuffer + bread, 0, bytes_to_read - bread);
@@ -389,7 +389,7 @@
 
 }
 
-void hex_fill_offset_buffer( long pos)
+void hex_fill_offset_buffer( off_t pos)
 {
  register char *bp = offset_buffer + 10;
 
diff -urN vche-1.7.2/src/linkedlist.c vche-1.7.2-64/src/linkedlist.c
--- vche-1.7.2/src/linkedlist.c	Tue Aug 17 01:09:48 1999
+++ vche-1.7.2-64/src/linkedlist.c	Sun Jan 26 15:27:23 2003
@@ -265,7 +265,7 @@
                            ll_file_current->filepos = fpos;
                            ll_file_current = ll_file_browse_curr;
                            file_open( ll_file_current->filename);
-                           fpos = lseek( fd, (long) ll_file_current->filepos, SEEK_SET);
+                           fpos = lseek( fd, (off_t) ll_file_current->filepos, SEEK_SET);
                            draw_filename( ll_file_current->filename);
                            hex_showfile();
                            lib_flush();
@@ -555,7 +555,7 @@
  return p;
 }
 
-void ll_edit_add( char byte, long filepos, struct ll_edit *tmp)
+void ll_edit_add( char byte, off_t filepos, struct ll_edit *tmp)
 {
  struct ll_edit *p = ll_edit_alloc( byte);
 
diff -urN vche-1.7.2/src/misc.c vche-1.7.2-64/src/misc.c
--- vche-1.7.2/src/misc.c	Mon Nov  8 22:23:36 1999
+++ vche-1.7.2-64/src/misc.c	Sun Jan 26 15:29:07 2003
@@ -46,7 +46,7 @@
    of the screen columns, and will be filled with spaces ' ' */
 char *space_buffer;
 
-static void print_long( long value, int prec);
+static void print_long( off_t value, int prec);
 
 struct vc_flags flags;
 char *trans_buffer;
@@ -176,14 +176,14 @@
  } while( nfk[ i]);
 }
 
-void draw_offset_n_perc( long offset)
+void draw_offset_n_perc( off_t offset)
 {
  double d_offset;
  double d_filesize;
  double d_percent;
 
  /* I need to use "double" because the multiplication
-    could overflow the "long" arguments if the file
+    could overflow the "off_t" arguments if the file
     is too big. */
 
  d_offset   = offset;
@@ -194,14 +194,14 @@
  else
      d_percent  = ( d_offset * 100) / d_filesize;
 
- print_long( ( long) d_percent, 3);
+ print_long( ( off_t) d_percent, 3);
  lib_cputs( vc_cols -  4, 0,  3, trans_buffer, VC_COLOR_BACKCYAN);
 
  print_long( offset, 13);
  lib_cputs( vc_cols - 18, 0, 13, trans_buffer, VC_COLOR_BACKCYAN);
 }
 
-void print_long( long value, int prec)
+void print_long( off_t value, int prec)
 {
  register char *bp = trans_buffer + prec;
 
diff -urN vche-1.7.2/src/search.c vche-1.7.2-64/src/search.c
--- vche-1.7.2/src/search.c	Fri Aug 20 01:50:31 1999
+++ vche-1.7.2-64/src/search.c	Sun Jan 26 15:58:19 2003
@@ -31,10 +31,10 @@
 int vc_case_sensitive;
 
 char srch[ 64]; /* The string to search */
-static long search_again_offset;
-static long re_search;
+static off_t search_again_offset;
+static off_t re_search;
 
-static void search_string( char *str, long offset);
+static void search_string( char *str, off_t offset);
 static long search_in_memory( char *sbuffer, char *pattern, long sizes, long sizep);
 static void search_hilite_byte( char byte, int what_attr);
 
@@ -124,14 +124,14 @@
  WINDOW *w;
 #endif
  char posstr[ 64];
- long newpos = -1;
+ off_t newpos = -1;
 
 #if defined(VCHE_VC) || defined(VCHE_RAW)
  lib_save_screen();
 #endif
 
  memset( &posstr, 0, sizeof( posstr));
- sprintf( posstr, "%ld", fpos);
+ sprintf( posstr, OFF_T_SCANF_FMT "d", fpos);
 
 #if defined(VCHE_NC)
  w =
@@ -147,9 +147,9 @@
 #endif
 
  if( !strncasecmp( posstr, "0x", 2))
-     sscanf( posstr, "%lx", &newpos);
+     sscanf( posstr, OFF_T_SCANF_FMT "x", &newpos);
  else
-     newpos = atol( posstr);
+     sscanf( posstr, OFF_T_SCANF_FMT "d", &newpos);
 
  if( vc_filesize >= 0 && (newpos < 0 || newpos > vc_filesize)) {
      lib_alert( "Invalid offset!", 5);
@@ -161,7 +161,7 @@
      return;
  }
 
- fpos = lseek( fd, (long) newpos, SEEK_SET);
+ fpos = lseek( fd, (off_t) newpos, SEEK_SET);
 
 #if defined(VCHE_VC) || defined(VCHE_RAW)
  lib_load_screen();
@@ -170,7 +170,7 @@
 #endif
 }
 
-static void search_string( char *str, long offset)
+static void search_string( char *str, off_t offset)
 {
 #if defined(VCHE_NC)
  WINDOW *w;
@@ -178,14 +178,14 @@
  struct ll_edit *node;
  struct ll_edit *tmp;
  char search_buf[ 8192];    /* Buffer used to read data from file         */
- long filepos = 0;          /* File position                              */
- long bytes_read;           /* Bytes read from file                       */
+ off_t filepos = 0;         /* File position                              */
+ off_t bytes_read;          /* Bytes read from file                       */
  long sizep = strlen( str); /* Size of pattern to search                  */
  long retv;                 /* Return value for search_in_memory function */
  int i = 0;
 
  search_again_offset = 0;
- lseek( fd, (long) offset, SEEK_SET);
+ lseek( fd, (off_t) offset, SEEK_SET);
 
 #if defined(VCHE_VC) || defined(VCHE_RAW)
  lib_save_screen();
@@ -234,13 +234,13 @@
 #elif defined(VCHE_NC)
             delwin( w);
 #endif
-            lseek( fd, (long) fpos, SEEK_SET);
+            lseek( fd, (off_t) fpos, SEEK_SET);
             return;
         }
  
         /* String found partially, lseek to the matching characters */
         if( retv == -2)
-            lseek( fd, (long) filepos + re_search, SEEK_SET);
+            lseek( fd, (off_t) filepos + re_search, SEEK_SET);
  } /* end while(....) */
 
  lib_alert( "String not found", 5);
@@ -250,7 +250,7 @@
  delwin( w);
 #endif
 
- lseek( fd, (long) fpos, SEEK_SET);
+ lseek( fd, (off_t) fpos, SEEK_SET);
 }
 
 /*