include/interface/subject.h

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#ifndef __SUBJECT_H__
#define __SUBJECT_H__

typedef void (* fptr_subjectAttach)(void *, void *);
typedef void (* fptr_subjectDetach)(void *, void *);
typedef void (* fptr_subjectNotify)(void *);

extern const struct interface i_Subject;

struct i_Subject {
        const struct interface * const _;
        fptr_subjectAttach       attach;
        fptr_subjectDetach       detach;
        fptr_subjectNotify       notify;
};

extern void subjectAttach(void *, void *);
extern void subjectDetach(void *, void *);
extern void subjectNotify(void *);

#endif // __SUBJECT_H__

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