XtAppAddConverter, XtAddConverter - register resource converter
#include <X11/Intrinsic.h>
void XtAppAddConverter(XtAppContext app_context, const
    char *from_type, const char *to_type, XtConverter
    converter, XtConvertArgList convert_args, Cardinal
    num_args);
void XtAddConverter(const char *from_type, const char
    *to_type, XtConverter converter, XtConvertArgList
    convert_args, Cardinal num_args);
  - app_context
- Specifies the application context.
- converter
- Specifies the type converter procedure.
- convert_args
- Specifies how to compute the additional arguments to the converter or
      NULL.
- from_type
- Specifies the source type.
- num_args
- Specifies the number of additional arguments to the converter or
    zero.
- to_type
- Specifies the destination type.
XtAppAddConverter is equivalent in function to
  XtAppSetTypeConverter with cache_type equal to XtCacheAll
  for old-format type converters. It has been superseded by
  XtAppSetTypeConverter.XtAddConverter is equivalent in function to
    XtSetTypeConverter with cache_type equal to XtCacheAll
    for old-format type converters. It has been superseded by
    XtSetTypeConverter.
XtConvert(3), XtStringConversionWarning(3)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface