#include <u.h>#include <libc.h>#include <oventi.h>#include "session.h" intvtFdReadFully(int fd, uchar *p, int n){	int nn; 	while(n > 0) {		nn = vtFdRead(fd, p, n);		if(nn <= 0)			return 0;		n -= nn;		p += nn;	}	return 1;}