+#include <stdio.h>
+
+typedef char padding[16];
+
+struct {
+ padding p1;
+ char v;
+ padding p2;
+} padding_char;
+
+struct {
+ padding p1;
+ short v;
+ padding p2;
+} padding_short;
+
+struct {
+ padding p1;
+ int v;
+ padding p2;
+} padding_int;
+
+struct {
+ padding p1;
+ long v;
+ padding p2;
+} padding_long;
+
+struct {
+ padding p1;
+ long long v;
+ padding p2;
+} padding_long_long;
+
+struct {
+ padding p1;
+ float v;
+ padding p2;
+} padding_float;
+
+struct {
+ padding p1;
+ double v;
+ padding p2;
+} padding_double;
+
+struct {
+ padding p1;
+ long double v;
+ padding p2;
+} padding_long_double;
+
+static void
+fill (void *buf, long sizeof_buf)
+{
+ char *p = buf;
+ int i;
+ for (i = 0; i < sizeof_buf; i++)
+ p[i] = "The quick brown dingo jumped over the layzy dog."[i];
+}
+
+void
+fill_structs (void)
+{
+ fill (&padding_char.p1, sizeof (padding));
+ fill (&padding_char.v, sizeof (padding_char.v));
+ fill (&padding_char.p2, sizeof (padding));
+
+ fill (&padding_short.p1, sizeof (padding));
+ fill (&padding_short.v, sizeof (padding_short.v));
+ fill (&padding_short.p2, sizeof (padding));
+
+ fill (&padding_int.p1, sizeof (padding));
+ fill (&padding_int.v, sizeof (padding_int.v));
+ fill (&padding_int.p2, sizeof (padding));
+
+ fill (&padding_long.p1, sizeof (padding));
+ fill (&padding_long.v, sizeof (padding_long.v));
+ fill (&padding_long.p2, sizeof (padding));
+
+ fill (&padding_long_long.p1, sizeof (padding));
+ fill (&padding_long_long.v, sizeof (padding_long_long.v));
+ fill (&padding_long_long.p2, sizeof (padding));
+
+ fill (&padding_float.p1, sizeof (padding));
+ fill (&padding_float.v, sizeof (padding_float.v));
+ fill (&padding_float.p2, sizeof (padding));
+
+ fill (&padding_double.p1, sizeof (padding));
+ fill (&padding_double.v, sizeof (padding_double.v));
+ fill (&padding_double.p2, sizeof (padding));
+
+ fill (&padding_long_double.p1, sizeof (padding));
+ fill (&padding_long_double.v, sizeof (padding_long_double.v));
+ fill (&padding_long_double.p2, sizeof (padding));
+}
+
int
main ()
{
+ fill_structs ();
+
printf ("sizeof (char) == %d\n", sizeof (char));
printf ("sizeof (short) == %d\n", sizeof (short));
printf ("sizeof (int) == %d\n", sizeof (int));
printf ("sizeof (float) == %d\n", sizeof (float));
printf ("sizeof (double) == %d\n", sizeof (double));
printf ("sizeof (long double) == %d\n", sizeof (long double));
+
+ /* Signed char? */
+ printf ("valueof ('\\377') == %d\n", '\377');
+ printf ("valueof ((int) (char) -1) == %d\n", (int) (char) -1);
+ printf ("valueof ((int) (signed char) -1) == %d\n", (int) (signed char) -1);
+ printf ("valueof ((int) (unsigned char) -1) == %d\n", (int) (unsigned char) -1);
+
return 0;
}