#define ASY_MAX 1 /* one serial port on an amiga */ struct asy { unsigned char *input_buffer; /* point to input buffer */ unsigned buflen; /* length of recv buffer */ unsigned char *input_p; /* pointer to current byte */ unsigned input_len; /* bytes left */ unsigned speed; /* line speed */ unsigned addr; /* address: we'll use this as unit number */ unsigned vec; /* vector: right. */ }; extern struct asy asy[ASY_MAX]; extern unsigned nasy;