Unimplemented:
* fits_iterate_data
* fits_open_memfile
* fits_split_names
* fits_read_wcstab
* fits_write_ext
* fits_read_ext
Other:
* fits_hdr2str - exclude, nexc parameters unimplemented, they are
Unimplemented:
* fits_iterate_data
* fits_open_memfile
* fits_split_names
* fits_read_wcstab
* fits_write_ext
* fits_read_ext
Other:
* fits_hdr2str - exclude, nexc parameters unimplemented, they are