pub unsafe extern "C" fn backtrace_syminfo(
state: *mut backtrace_state,
addr: uintptr_t,
cb: backtrace_syminfo_callback,
error: backtrace_error_callback,
data: *mut c_void,
) -> c_int
pub unsafe extern "C" fn backtrace_syminfo(
state: *mut backtrace_state,
addr: uintptr_t,
cb: backtrace_syminfo_callback,
error: backtrace_error_callback,
data: *mut c_void,
) -> c_int