Function Rf_S3Class_unchecked 

unsafe extern "C-unwind" fn Rf_S3Class_unchecked(object: SEXP) -> SEXP

Get the S3 class of an S4 object. Unchecked FFI binding for Rf_S3Class. Generated from source location line 3780, column 8. Generated from source file miniextendr-api/src/ffi.rs.