Function luajit2_sys::luaJIT_profile_dumpstack

pub unsafe extern "C" fn luaJIT_profile_dumpstack(
    L: *mut lua_State, 
    fmt: *const c_char, 
    depth: c_int, 
    len: *mut usize
) -> *const c_char

https://luajit.org/ext_c_api.html