ispell-process-line

ispell-process-line is a compiled Lisp function in `ispell.el'.

(ispell-process-line STRING SHIFT)

Send STRING, a line of text, to ispell and process the result.
This will modify the buffer for spelling errors.
Requires variables ISPELL-START and ISPELL-END to be defined in its
dynamic scope.
Returns the sum SHIFT due to changes in word replacements.