/* * 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 { short c_time; /* incremental time */ caddr_t c_arg; /* argument to routine */ short (*c_func)(); /* routine */ }; #ifdef KERNEL struct callout callout[]; struct callout *callNCALL; #endif