Function rust_tcl_sys::tcl::Tcl_SetVar2

pub unsafe extern "C" fn Tcl_SetVar2(
    interp: *mut Tcl_Interp, 
    part1: *const c_char, 
    part2: *const c_char, 
    newValue: *const c_char, 
    flags: c_int
) -> *const c_char