Function rust_tcl_sys::tcl::Tcl_GetIndexFromObjStruct

pub unsafe extern "C" fn Tcl_GetIndexFromObjStruct(
    interp: *mut Tcl_Interp, 
    objPtr: *mut Tcl_Obj, 
    tablePtr: *const c_void, 
    offset: c_int, 
    msg: *const c_char, 
    flags: c_int, 
    indexPtr: *mut c_int
) -> c_int