Text editiing

Hi All,
We have a program with which we edit a varying length field and when we
place this field in the file we add a tilde at the end of each line that is
displayed.  On the screen we show this field as a 30 character field.  When
we load this field we add a tilde whenever the user hits enter on the screen
or every 30 characters whichever is smaller.

So in our file we would have something like this:This is the time for us~to
fix this problem the in the r~ight way.~

We need to figure out a way for the text to shift on a blank space and move
it to the next line.

Does any one have a procedure or maybe a c runtime procedure or advise on
how I should go about doing this.

TIA
Ron
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