Function Rf_charIsUTF8 

unsafe fn Rf_charIsUTF8(x: SEXP) -> Rboolean

Checked wrapper for Rf_charIsUTF8. Calls Rf_charIsUTF8_unchecked and routes through with_r_thread. Generated from source location line 1981, column 8. Generated from source file miniextendr-api/src/ffi.rs.