/* @(#)callo.h 1.1 */ /* * 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 callo { int c_time; /* incremental time */ caddr_t c_arg; /* argument to routine */ int (*c_func)(); /* routine */ }; extern struct callo callout[];