54 	assert ( string->cursor <= old_len );  in insert_delete()
55 	max_delete_len = ( old_len - string->cursor );  in insert_delete()
65 	string->mod_start = string->cursor;  in insert_delete()
69 	memmove ( ( string->buf + string->cursor + insert_len ),  in insert_delete()
70 		  ( string->buf + string->cursor + delete_len ),  in insert_delete()
74 	memcpy ( ( string->buf + string->cursor ), insert_text, insert_len );  in insert_delete()
75 	string->cursor += insert_len;  in insert_delete()
105 	if ( string->cursor > 0 ) {  in backspace()
106 		string->cursor--;  in backspace()
142 	string->last_cursor = string->cursor;  in edit_string()
143 	string->mod_start = string->cursor;  in edit_string()
144 	string->mod_end = string->cursor;  in edit_string()
167 		string->cursor = 0;  in edit_string()
172 		string->cursor = len;  in edit_string()
177 		if ( string->cursor > 0 )  in edit_string()
178 			string->cursor--;  in edit_string()
183 		if ( string->cursor < len )  in edit_string()
184 			string->cursor++;  in edit_string()