#define get_w32_major_version() w32_major_version
#define get_w32_minor_version() w32_minor_version
-extern unsigned char *get_data_start();
-extern unsigned char *get_data_end();
+extern unsigned char *get_data_start (void);
+extern unsigned char *get_data_end (void);
extern unsigned long reserved_heap_size;
extern SYSTEM_INFO sysinfo_cache;
extern OSVERSIONINFO osinfo_cache;
extern void *sbrk (unsigned long size);
/* Initialize heap structures for sbrk on startup. */
-extern void init_heap ();
+extern void init_heap (void);
/* Round the heap to this size. */
extern void round_heap (unsigned long size);