/usr/include/Yap/tracer.h is in yap 6.2.2-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* *
* YAP Prolog @(#)amidefs.h 1.3 3/15/90
* *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: tracer.h *
* Last rev: *
* mods: *
* comments: definitions for low level tracer *
* *
*************************************************************************/
#ifdef LOW_LEVEL_TRACER
typedef enum {
enter_pred,
try_or,
retry_or,
retry_pred,
retry_table_generator,
retry_table_consumer,
retry_table_loader
} yap_low_level_port;
void STD_PROTO(low_level_trace,(yap_low_level_port, PredEntry *, CELL *));
void STD_PROTO(Yap_InitLowLevelTrace,(void));
void STD_PROTO(toggle_low_level_trace,(void));
#endif
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