O_RSYNC
{ "rsync", O_RSYNC, C_IFLAG },
if ((fd = open(file, O_RDWR|O_SYNC|O_RSYNC|O_NOFOLLOW, 0)) == -1)
#ifdef O_RSYNC
{ "rsync", 2, O_RSYNC },
#define ALLFLAGS (O_APPEND|O_ASYNC|O_SYNC|O_NONBLOCK|O_DSYNC|O_RSYNC|\
flags |= (sflags & 0x8000) ? O_RSYNC : 0;
O_RSYNC|O_NOCTTY|O_ALT_IO|O_NOFOLLOW|O_DIRECT|\
#define FRSYNC O_RSYNC /* kernel */
RL(fd = rump_sys_open("file", O_RDONLY | O_SYNC | O_RSYNC));