/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h> staticlongiowritev(int fd, IOchunk *io, int nio, vlong offset){	int i;	long tot;	char *buf, *p; 	tot = 0;	for(i=0; i<nio; i++)		tot += io[i].len;	buf = malloc(tot);	if(buf == nil)		return -1; 	p = buf;	for(i=0; i<nio; i++){		memmove(p, io->addr, io->len);		p += io->len;		io++;	} 	tot = pwrite(fd, buf, tot, offset); 	free(buf);	return tot;} longwritev(int fd, IOchunk *io, int nio){	return iowritev(fd, io, nio, -1LL);} longpwritev(int fd, IOchunk *io, int nio, vlong off){	return iowritev(fd, io, nio, off);}