pub unsafe extern "C" fn switch_file_read(
thefile: *mut switch_file_t,
buf: *mut c_void,
nbytes: *mut switch_size_t,
) -> switch_status_tpub unsafe extern "C" fn switch_file_read(
thefile: *mut switch_file_t,
buf: *mut c_void,
nbytes: *mut switch_size_t,
) -> switch_status_t