/* Abort execution and generate a core-dump. */
-extern __NORETURN void abort __P ((void));
+extern void abort __P ((void)) __attribute__ ((__noreturn__));
/* Register a function to be called when `exit' is called. */
/* Call all functions registered with `atexit' and `on_exit',
in the reverse of the order in which they were registered
perform stdio cleanup, and terminate program execution with STATUS. */
-extern __NORETURN void exit __P ((int __status));
+extern void exit __P ((int __status)) __attribute__ ((__noreturn__));
/* Return the value of envariable NAME, or NULL if it doesn't exist. */