some tweaks to the moved tests to make them more suitable for automatic testing

test/val/strpbrk-test.c

@@ -3,24 +3,32 @@
 
 static const char fox[] = "The quick brown fox jumped over the lazy dogs.";
 
-void main (void)
+int fails = 0;
+
+int main (void)
 {
     printf ("Testing strpbrk():\n");
     if (strpbrk (fox, "qwerty") != &fox[2]) {
         printf ("\nThe first 'e' wasn't found.\n");
+        fails++;
     }
     if (strpbrk (fox, "QWERTY") != &fox[0]) {
         printf ("The 'T' wasn't found.\n");
+        fails++;
     }
     if (strpbrk (fox, "asdfg") != &fox[16]) {
         printf ("The 'f' wasn't found.\n");
+        fails++;
     }
     if (strpbrk (fox, "nxv,zmb") != &fox[10]) {
         printf ("The 'b'  wasn't found.\n");
+        fails++;
     }
     if (strpbrk (fox, "!@#$%^&*()-+=[];:',/?<>.") != &fox[45]) {
         printf ("The '.' wasn't found.\n");
+        fails++;
     }
 
-    printf ("\nFinished.\n");
+    printf ("\nFinished. fails = %d\n", fails);
+    return fails;
 }