int __fd_kern_lseek(int fd, int flags, off_t offset, int whence)
off_t __fd_kern_lseek(union fd_data fd_data, int f, off_t offset, int whence)
int __fd_kern_lseek(int fd, int flags, off_t offset, int whence){	return(machdep_sys_lseek(fd, offset, whence));}