PtFdProcF_t, PtFdProc_t

Pointer to a file-descriptor function

Synopsis:

typedef int PtFdProcF_t( int fd, void *data, unsigned mode );
typedef PtFdProcF_t *PtFdProc_t;

Description:

These data types define pointers to file-descriptor functions. The PtFdProcF_t type is the function type that the PtFdProc_t type points to. This allows you to do something like this:

PtFdProcF_t my_fd_proc;

int my_fd_proc( int fd, void *data unsigned mode) {
    ...
    }

The compiler should detect any inconsistencies between the two declarations of my_fd_proc() and give you an error (which is better than a "pointer mismatch" warning on the call to PtAppAddFd()).

Classification:

Photon

See also:

PtAppAddFd()