liblouis: lou_registerLogCallback
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1 6.13 lou_registerLogCallback
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1 typedef void (*logcallback)(int level, const char *message);
1 void lou_registerLogCallback(logcallback callback);
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1 This function can be used to register a custom logging callback. The
1 callback must take a single argument, the message string. By default
1 log messages are printed to stderr, or if a filename was specified with
1 'lou_logFile' then messages are logged to that file.
1 'lou_registerLogCallback' overrides the default callback. Passing
1 'NULL' resets to the default callback.
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