#include	"dat.h"#include	"fns.h"#include	"error.h" extern Dev* devtab[]; longdevtabread(Chan *c, void* buf, long n, vlong off){	int i;	Dev *dev;	char *alloc, *e, *p; 	USED(c);	alloc = malloc(READSTR);	if(alloc == nil)		error(Enomem); 	p = alloc;	e = p + READSTR;	for(i = 0; devtab[i] != nil; i++){		dev = devtab[i];		p = seprint(p, e, "#%C %s\n", dev->dc, dev->name);	} 	if(waserror()){		free(alloc);		nexterror();	}	n = readstr(off, buf, n, alloc);	free(alloc);	poperror(); 	return n;}