#include <u.h>#include <libc.h>#include <fcall.h>#include <thread.h>#include <9p.h> voidreadbuf(Req *r, void *s, long n){	r->ofcall.count = r->ifcall.count;	if(r->ifcall.offset >= n){		r->ofcall.count = 0;		return;	}	if(r->ifcall.offset+r->ofcall.count > n)		r->ofcall.count = n - r->ifcall.offset;	memmove(r->ofcall.data, (char*)s+r->ifcall.offset, r->ofcall.count);} voidreadstr(Req *r, char *s){	readbuf(r, s, strlen(s));}