-.I whence
-is set to SEEK_SET, SEEK_CUR, or SEEK_END, the offset is from the
-beginning, the current position, or the end of the file, respectively.
-.I Fseek
-undoes any effects of
-.IR ungetc .
-.PP
-.I Ftell
-returns the current value of the offset relative to the beginning
-of the file associated with the named
-.IR stream .
-.PP
-.IR Rewind
-is equivalent to ``fseek(stream, 0L, SEEK_SET)'', except the error
-indicator for the stream is cleared as well (see
-.IR clearerr (3)).
-.PP
-.I Fgetpos
+.Fa whence
+is set to
+.Dv SEEK_SET ,
+.Dv SEEK_CUR ,
+or
+.Dv SEEK_END ,
+the offset is relative to the
+start of the file, the current position indicator, or end-of-file,
+respectively.
+A successful call to the
+.Fn fseek
+function clears the end-of-file indicator for the stream and undoes
+any effects of the
+.Xr ungetc 3
+function on the same stream.
+.Pp
+The
+.Fn ftell
+function
+obtains the current value of the file position indicator for the
+stream pointed to by
+.Fa stream .
+.Pp
+The
+.Fn rewind
+function sets the file position indicator for the stream pointed
+to by
+.Fa stream
+to the beginning of the file.
+It is equivalent to:
+.Pp
+.Dl (void)fseek(stream, 0L, SEEK_SET)
+.Pp
+except that the error indicator for the stream is also cleared
+(see
+.Xr clearerr 3 ) .
+.Pp
+The
+.Fn fgetpos