Function Rf_findVar_unchecked 

pub unsafe extern "C-unwind" fn Rf_findVar_unchecked(
    symbol: SEXP,
    rho: SEXP,
) -> SEXP

Unchecked FFI binding for Rf_findVar. Generated from source location line 901, column 12. Generated from source file miniextendr-api/src/sys.rs.