enum{
	Stacksz = 32*1024,
};

Channel *ifcchan;

/* file.c */
typedef struct Filectl Filectl;
struct Filectl
{
	int ro;	/* read-only */
	int self;	/* loner */
	char p, op;
	char r;	/* current read */
	int B, W;	/* file descriptors */
	int ev;
	Channel *c;
};

Filectl *filectl;
Filectl *initfile(char*,char*,int);