+/* MemoryBlockType *
+ * g_slice_dup (MemoryBlockType,
+ * MemoryBlockType *mem_block);
+ * g_slice_free (MemoryBlockType,
+ * MemoryBlockType *mem_block);
+ * g_slice_free_chain (MemoryBlockType,
+ * MemoryBlockType *first_chain_block,
+ * memory_block_next_field);
+ * pseudo prototypes for the macro
+ * definitions following below.
+ */
+
+/* we go through extra hoops to ensure type safety */
+#define g_slice_dup(type, mem) \
+ (1 ? (type*) g_slice_copy (sizeof (type), (mem)) \
+ : ((void) ((type*) 0 == (mem)), (type*) 0))
+#define g_slice_free(type, mem) do { \
+ if (1) g_slice_free1 (sizeof (type), (mem)); \
+ else (void) ((type*) 0 == (mem)); \
+} while (0)
+#define g_slice_free_chain(type, mem_chain, next) do { \
+ if (1) g_slice_free_chain_with_offset (sizeof (type), \
+ (mem_chain), G_STRUCT_OFFSET (type, next)); \
+ else (void) ((type*) 0 == (mem_chain)); \
+} while (0)