.th TELL II 5/31/77 .sh NAME tell \*- get file offset .sh SYNOPSIS (tell = 40.) .br (file descriptor in r0) .br .ft B sys tell .br .ft R (offset in r0-r1) .ft B .s3 long tell(file) .br int file; .ft R .sh DESCRIPTION .it Tell returns the current read/write pointer associated with the open file whose descriptor is specified as argument. .sh "SEE ALSO" seek (II) .sh DIAGNOSTICS C-bit set or \-1 returned for an unknown file descriptor.