How to remove one fact in CLIPS using C code using factAddress

Question

Retract command in CLIPS will remove one fact in CLIPS. What is equivalent API in C code.

clips.retract is not working

Answer 1

All C APIs for CLIPS are documented in CLIPS advanced programming guide. Check page 105:

4.4.23 EnvRetract
int EnvRetract(environment,factPtr);
void *environment;
void *factPtr;
Purpose:
 Retracts a fact from the CLIPS fact-list (the C equivalent of the
CLIPS retract command).

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