Get tiff field name from field information
#include <tiffio.h>
const char* TIFFFieldName(const TIFFField* fip)
TIFFFieldName returns the textual name for a TIFF field.
fip is a field information pointer previously returned by TIFFFindField, TIFFFieldWithTag, or TIFFFieldWithName.
TIFFFieldName returns a constant C string.
libtiff(3TIFF),
Libtiff library home page: http://www.remotesensing.org/libtiff/