A callback that writes a string given in the locale encoding. */

retrieve error message

see zbar_symbol_xml().

display detail for last processor error to stderr. * @returns a non-zero value suitable for passing to exit() */

retrieve the detail string for the last processor error. */

retrieve the type code for the last processor error. */

undocumented API for drawing cutesy debug graphics */

display detail for last video error to stderr. * @returns a non-zero value suitable for passing to exit() */

retrieve the detail string for the last video error. */

retrieve the type code for the last video error. */

display detail for last window error to stderr. * @returns a non-zero value suitable for passing to exit() */

retrieve the detail string for the last window error. */

retrieve the type code for the last window error. */

destructor.

destructor.

destructor.