/* Includes. */#include "../drivers.h"#include "../libdriver/driver.h"#include <minix/type.h>#include <minix/const.h>#include <minix/com.h>#include <sys/types.h>#include <minix/ipc.h>/* Constants and types. */#define LOG_SIZE	(50*1024) #define SUSPENDABLE 	      1struct logdevice {	char log_buffer[LOG_SIZE];	int	log_size,	/* no. of bytes in log buffer */		log_read,	/* read mark */		log_write;	/* write mark */#if SUSPENDABLE	int log_proc_nr,		log_source,		log_iosize,		log_revive_alerted,		log_status;	/* proc that is blocking on read */	vir_bytes log_user_vir;#endif	int	log_selected, log_select_proc,		log_select_alerted, log_select_ready_ops;};/* Function prototypes. */_PROTOTYPE( void kputc, (int c)						);_PROTOTYPE( int do_new_kmess, (message *m)				);_PROTOTYPE( int do_diagnostics, (message *m)				);_PROTOTYPE( void log_append, (char *buf, int len)				);