pub unsafe extern "C" fn switch_event_get_header_ptr(
event: *mut switch_event_t,
header_name: *const c_char,
) -> *mut switch_event_header_tpub unsafe extern "C" fn switch_event_get_header_ptr(
event: *mut switch_event_t,
header_name: *const c_char,
) -> *mut switch_event_header_t