Split PDF pages in C++

To split a PDF document into multiple pages.

PDFDoc doc(filename);
int page_num = doc.GetPageCount();
for (int i=1; i<=page_num; ++i)
{
  PDFDoc new_doc;
  char fname[64];
  sprintf(fname, "_split_page_%d.pdf", i);
  string output_file(output_filename + fname);
  new_doc.InsertPages(0, doc, i, i, PDFDoc::e_none);
  new_doc.Save(output_file, SDFDoc::e_linearized, 0);
}

Merge, Copy, Delete, and Rearrange PDF Pages
Full code sample which illustrates how to copy pages from one document to another, how to delete, and rearrange pages and how to use ImportPages().