Function SETLEVELS_unchecked 

unsafe extern "C-unwind" fn SETLEVELS_unchecked(
    x: SEXP,
    v: c_int,
) -> c_int

Set the LEVELS field (for factors).

Returns the value that was set. Unchecked FFI binding for SETLEVELS. Generated from source location line 2299, column 8. Generated from source file miniextendr-api/src/ffi.rs.