diff --git a/samples/geos/dialog.c b/samples/geos/dialog.c
index 27199a493..c3231e855 100644
--- a/samples/geos/dialog.c
+++ b/samples/geos/dialog.c
@@ -1,4 +1,4 @@
-/* Note: 
+/* Note:
 ** This is just a sample piece of code that shows how to use some structs -
 ** it may not even run.
 */
@@ -28,5 +28,5 @@ static const dlgBoxStr myDialog = {
 
 void main (void)
 {
-    DoDlgBox (&myDialog);   
+    DoDlgBox (&myDialog);
 }
diff --git a/samples/geos/filesel.c b/samples/geos/filesel.c
index c0a591eb9..fcca258bb 100644
--- a/samples/geos/filesel.c
+++ b/samples/geos/filesel.c
@@ -1,11 +1,11 @@
 /*
     GEOSLib example
-    
+
     using DlgBoxFileSelect
-    
+
     Maciej 'YTM/Elysium' Witkowiak
     <ytm@elysium.pl>
-    
+
     26.12.1999
 */
 
diff --git a/samples/geos/geosconio.c b/samples/geos/geosconio.c
index 963fa06a0..55acac38e 100644
--- a/samples/geos/geosconio.c
+++ b/samples/geos/geosconio.c
@@ -9,16 +9,16 @@ void main(void)
     char ch;
 
     DlgBoxOk("Now the screen will be", "cleared.");
-    
+
     clrscr();
-    
+
     DlgBoxOk("Now a character will be", "written at 20,20");
-    
+
     gotoxy(20, 20);
     cputc('A');
 
     DlgBoxOk("Now a string will be", "written at 0,1");
-    
+
     cputsxy(0, 1, CBOLDON "Just" COUTLINEON  "a " CITALICON "string." CPLAINTEXT );
 
     DlgBoxOk("Write text and finish it", "with a dot.");
@@ -31,7 +31,7 @@ void main(void)
     cursor(0);
 
     DlgBoxOk("Seems that it is all for conio.", "Let's test mouse routines.");
-    
+
     mouse_init(1);
     cputsxy(0, 2, CBOLDON "Now you can't see mouse (press any key)" CPLAINTEXT);
     mouse_hide();
diff --git a/samples/geos/geosver.c b/samples/geos/geosver.c
index 3d68798a2..fa8351e0d 100644
--- a/samples/geos/geosver.c
+++ b/samples/geos/geosver.c
@@ -57,6 +57,6 @@ void main (void)
     }
 
     Sleep(10*50);
-             
+
     return;
 }
diff --git a/samples/geos/hello1.c b/samples/geos/hello1.c
index 8dc13d5b4..bd51dd1b9 100644
--- a/samples/geos/hello1.c
+++ b/samples/geos/hello1.c
@@ -1,11 +1,11 @@
 /*
     GEOSLib example
-    
+
     Hello, world example - with DBox
-    
+
     Maciej 'YTM/Elysium' Witkowiak
     <ytm@elysium.pl>
-    
+
     26.12.1999
 */
 
@@ -18,7 +18,7 @@ void main (void)
 
     DlgBoxOk(CBOLDON "Hello, world" CPLAINTEXT,
              "This is written in C!");
-             
+
     // Normal apps exit from main into system's mainloop, and app finish
     // when user selects it from icons or menu, but here we want to exit
     // immediately.
diff --git a/samples/geos/hello2.c b/samples/geos/hello2.c
index 3f148b0b8..ae93fa1a4 100644
--- a/samples/geos/hello2.c
+++ b/samples/geos/hello2.c
@@ -1,11 +1,11 @@
 /*
     GEOSLib example
-    
+
     Hello, world example - using graphic functions
-    
+
     Maciej 'YTM/Alliance' Witkowiak
     <ytm@friko.onet.pl>
-    
+
     26.12.1999
 */
 
@@ -25,18 +25,18 @@ void main (void)
     SetPattern(0);
     InitDrawWindow(&wholeScreen);
     Rectangle();
-   
+
     // Now some texts
     PutString(COUTLINEON "This is compiled using cc65!" CPLAINTEXT, 20, 10);
     PutString(CBOLDON "This is bold", 30, 10);
     PutString(CULINEON "and this is bold and underline!", 40, 10);
     PutString(CPLAINTEXT "This is plain text", 50, 10);
-    
+
     // Wait for 5 secs...
     // Note that this is multitasking sleep, and if there are any icons/menus onscreen,
     // they would be usable, in this case you have only pointer usable
     Sleep(5*50);
-             
+
     // Normal apps exit from main into system's mainloop, and app finish
     // when user selects it from icons or menu, but here we want to exit
     // immediately.
diff --git a/samples/geos/overlay-demo.c b/samples/geos/overlay-demo.c
index a37f6bdcb..73ab0e3c0 100644
--- a/samples/geos/overlay-demo.c
+++ b/samples/geos/overlay-demo.c
@@ -33,7 +33,7 @@ void foo(void)
 {
     /* Functions resident in an overlay can access all program variables and
     ** constants at any time without any precautions because those are never
-    ** placed in overlays. The string constant "One" is an example for such 
+    ** placed in overlays. The string constant "One" is an example for such
     ** a constant resident in the main program.
     */
     show("One");
diff --git a/samples/geos/rmvprot.c b/samples/geos/rmvprot.c
index 4f8798f98..152f6cf0f 100644
--- a/samples/geos/rmvprot.c
+++ b/samples/geos/rmvprot.c
@@ -1,12 +1,12 @@
 /*
     GEOSLib example
-    
+
     This small application removes GEOS disk write protection tag.
     e.g. boot disk is always protected after boot-up
-    
+
     Maciej 'YTM/Elysium' Witkowiak
     <ytm@elysium.pl>
-    
+
     21.03.2000
 */
 
@@ -60,7 +60,7 @@ void main(void)
 {
     // Here we clear the screen. Not really needed anyway...
     GraphicsString(&clearScreen);
-        
+
     // Get the name of current disk to show it in dialog box
     GetPtrCurDkNm(diskName);
 
diff --git a/samples/sym1/symDisplay.c b/samples/sym1/symDisplay.c
index dce39f6b9..43d18f911 100644
--- a/samples/sym1/symDisplay.c
+++ b/samples/sym1/symDisplay.c
@@ -14,7 +14,7 @@ int main (void) {
    int  flashes     = 255;
    int  displayable = 1;
    int  e           = 0;
-   int  r           = 0;  
+   int  r           = 0;
    int  d           = 0;
    int  i           = 0;
    int  l           = 0;
@@ -40,7 +40,7 @@ int main (void) {
       puts ("\n\nHow many times (0 for forever) to repeat?");
       c = getchar();
       if ( (c >= '0') && (c <= '9') ) {// between 1 and 9 loops allowed
-         z = 1;                        // a number was pressed 
+         z = 1;                        // a number was pressed
          t = c - '0';                  // convert char to int
          puts ("\n\nLook at the front panel.\n");
       }
diff --git a/samples/sym1/symExtendedMemory.c b/samples/sym1/symExtendedMemory.c
index cc01da353..897276e6f 100644
--- a/samples/sym1/symExtendedMemory.c
+++ b/samples/sym1/symExtendedMemory.c
@@ -72,7 +72,7 @@ int main (void) {
                error = 0;
             }
          }
-         segment += 0x1000;              // Increment to next segment      
+         segment += 0x1000;              // Increment to next segment
       }
 
       segment[0] = 0x00;                 // Check beginning of top memory segment
diff --git a/samples/sym1/symIO.c b/samples/sym1/symIO.c
index 50fefc303..bb46dc3df 100644
--- a/samples/sym1/symIO.c
+++ b/samples/sym1/symIO.c
@@ -52,7 +52,7 @@ int main (void) {
       ior3b = VIA3.prb;
 
       puts ("================== Digital I/O Status ==================");
-      puts ("     Port1A   Port1B   Port2A   Port2B   Port3A   Port3B" );    
+      puts ("     Port1A   Port1B   Port2A   Port2B   Port3A   Port3B" );
       printf ("DDR    %02X       %02X       %02X       %02X       %02X       %02X\n\r",ddr1a,ddr1b,ddr2a,ddr2b,ddr3a,ddr3b);
       printf ("IOR    %02X       %02X       %02X       %02X       %02X       %02X\n\r",ior1a,ior1b,ior2a,ior2b,ior3a,ior3b);
       puts ("========================================================\n");
@@ -75,7 +75,7 @@ int main (void) {
       cmd[strlen(cmd)-1] = '\0';
 
       if ( strncasecmp(cmd, "quit", 4) == 0 ) {
-         going = 0;  
+         going = 0;
       }
       else if ( strncasecmp(cmd, "help", 4) == 0 ) {
          instr = 1;