PR_IMPLEMENT(void) PR_ProcessExit (PRIntn status)
PR_IMPLEMENT(PRThread*) PR_CreateThread (PRThreadType type, void (*start)(void* arg), void* arg, PRThreadPriority priority, PRThreadScope scope, PRThreadState state, PRUint32 stackSize)
PR_IMPLEMENT(void)    PR_ProcessExit (PRIntn status){    exit(status);}