I have some codes in Rcpp, they work well when compiling but Rstudio keeps giving diagnostics for some parts, which is a little bit annoying. I really appreciate it if anyone can help.
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static PLINK::PlinkClass* ptr_gPLINKobj = NULL; : use of undeclared identifier 'NULL'
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uint64_t t_gIndex : unknown type name 'uint64_t'