Add check-size.c

Author: lazyparser

check-size.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+int main() {
+    printf("sizeof(long)= %lu, sizeof(size_t)= %lu, sizeof(long long)= %lu, sizeof(void*)= %lu\n",
+            sizeof(long),
+            sizeof(size_t),
+            sizeof(long long),
+            sizeof(void*));
+return 0;
+}