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typedef void U_CALLCONV UTraceData(const void *context, int32_t fnNumber, int32_t level, const char *fmt, va_list args)

Type signature for the trace function to be called from within an ICU function to display data or messages.

context value supplied at the time the trace functions are set.
fnNumber Enum value indicating the ICU function being exited.
level The current tracing level
fmt A format string describing the tracing data that is supplied as variable args
args The data being traced, passed as variable args. ICU 2.8

Definition at line 148 of file utrace.h.

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