XtStringConversionWarning - issue a conversion warning message
#include <X11/Intrinsic.h>
void XtStringConversionWarning(const char *src, const
    char *dst_type);
  - src
- Specifies the string that could not be converted.
- dst_type
- Specifies the name of the type to which the string could not be
    converted.
The XtStringConversionWarning function issues a warning message with name
  “conversionError”, type “string”, class
  “XtToolkitError”, and the default message string “Cannot
  convert "src" to type dst_type”.XtStringConversionWarning has been replaced by
    XtDisplayStringConversionWarning.
XtAppAddConverter(3), XtAppErrorMsg(3t), XtConvert(3),
  XtDisplayStringConversionWarning(3)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface