pub unsafe extern "C" fn gaiaTextReaderParse(
reader: gaiaTextReaderPtr,
) -> c_intExpand description
Prescans the external file associated to a Text Reade object
\param reader pointer to Text Reader object.
\return 0 on failure: any other value on success.
\sa gaiaTextReaderAlloc, gaiaTextReaderDestroy, gaiaTextReaderGetRow, gaiaTextReaderFetchField
\note this preliminary step is required so to ensure: \li file consistency: checking expected formatting rules. \li identifying the number / type / name of fields [aka columns]. \li identifying the actual number of lines within the file.