-/* sighandler.c */
-
-typedef int (*ucw_sighandler_t)(int); // gets signum, returns nonzero if abort() should be called
-
-void handle_signal(int signum);
-void unhandle_signal(int signum);
-ucw_sighandler_t set_signal_handler(int signum, ucw_sighandler_t newh);
-
-/* bigalloc.c */
-
-void *page_alloc(u64 len) LIKE_MALLOC; // allocates a multiple of CPU_PAGE_SIZE bytes with mmap
-void *page_alloc_zero(u64 len) LIKE_MALLOC;
-void page_free(void *start, u64 len);
-void *page_realloc(void *start, u64 old_len, u64 new_len);
-
-void *big_alloc(u64 len) LIKE_MALLOC; // allocate a large memory block in the most efficient way available
-void *big_alloc_zero(u64 len) LIKE_MALLOC;
-void big_free(void *start, u64 len);
-