- memmove(img->line + applied_pos + postimage->nr,
- img->line + applied_pos + preimage_limit,
- (img->nr - (applied_pos + preimage_limit)) *
- sizeof(*img->line));
- memcpy(img->line + applied_pos,
- postimage->line,
- postimage->nr * sizeof(*img->line));
+ MOVE_ARRAY(img->line + applied_pos + postimage->nr,
+ img->line + applied_pos + preimage_limit,
+ img->nr - (applied_pos + preimage_limit));
+ COPY_ARRAY(img->line + applied_pos, postimage->line, postimage->nr);