All samples use 'int main' and 'return int'

targettest/sym1/symDisplay.c

@@ -9,7 +9,7 @@
 #include <stdio.h>
 #include <sym1.h>
 
-void main (void) {
+int main (void) {
    int  delay       = 10;
    int  flashes     = 255;
    int  displayable = 1;
@@ -351,5 +351,8 @@ void main (void) {
          }
       }
    }
+
    puts( "\n\nEnjoy your day!\n\n" );
+
+   return 0;
 }

targettest/sym1/symHello.c

@@ -9,7 +9,7 @@
 #include <stdio.h>
 #include <sym1.h>
 
-void main(void) {
+int main(void) {
    char c = 0x00;
    int  d = 0x00;
    int  l = 0x00;
@@ -34,4 +34,6 @@ void main(void) {
       for( d = 0; d < 10 ; d++ ) {
       }
    }
+
+   return 0;
 }

targettest/sym1/symIO.c

@@ -11,7 +11,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-void main(void) {
+int main(void) {
    unsigned char ddr1a = 0x00;
    unsigned char ior1a = 0x00;
    unsigned char ddr1b = 0x00;
@@ -165,4 +165,8 @@ void main(void) {
          }
       }
    }
+
+   puts( "\n\nEnjoy your day!\n\n" );
+
+   return 0;
 }

targettest/sym1/symNotepad.c

@@ -20,8 +20,8 @@
 #define TAPIO_ADDRESS  0xE000
 #define TAPIO_MAX_SIZE 0x0FFF
 
-void main(void) {
-   cha c                  = 0x00;
+int main(void) {
+   char c                 = 0x00;
    int l                  = 0x00;
    int p                  = 0x00;
    int error              = 0x00;
@@ -183,6 +183,10 @@ void main(void) {
          }
       }
    }
+
    free( buffer );
+
    puts( "\nEnjoy your day!\n" );
+
+   return 0;
 }

targettest/sym1/symTiny.c

@@ -11,7 +11,7 @@
 #include <stdio.h>
 #include <sym1.h>
 
-void main(void) {
+int main(void) {
    char c = 0x00;
    int  d = 0x00;
    int  l = 0x00;
@@ -37,4 +37,6 @@ void main(void) {
       for( d = 0; d < 10 ; d++ ) {
       }
    }
+
+   return 0;
 }