/*
* The callout structure is for
* a routine arranging
* to be called by the clock interrupt
* (clock.c) with a specified argument,
* in a specified amount of time.
* Used, for example, to time tab
* delays on typewriters.
*/
struct callout {
int c_time; /* incremental time */
caddr_t c_arg; /* argument to routine */
int (*c_func)(); /* routine */
struct callout *c_next;
};
#ifdef KERNEL
struct callout *callfree, *callout, calltodo;
int ncallout;
#endif