Function R_CHAR 

unsafe fn R_CHAR(x: SEXP) -> *const c_char

Get the C string pointer from a CHARSXP — encapsulated by SexpExt::r_char() Checked wrapper for R_CHAR. Calls R_CHAR_unchecked and routes through with_r_thread. Generated from source location line 2375, column 8. Generated from source file miniextendr-api/src/ffi.rs.