Function Rf_S3Class 

pub unsafe fn Rf_S3Class(object: SEXP) -> SEXP

Get the S3 class of an S4 object. Checked wrapper for Rf_S3Class. Calls Rf_S3Class_unchecked and routes through with_r_thread. Generated from source location line 2131, column 12. Generated from source file miniextendr-api/src/sys.rs.