R_CAST           154 node.h         #define RNODE(obj)  (R_CAST(RNode)(obj))
R_CAST            29 re.h           #define RMATCH(obj)  (R_CAST(RMatch)(obj))
R_CAST           397 ruby.h         #define RBASIC(obj)  (R_CAST(RBasic)(obj))
R_CAST           398 ruby.h         #define ROBJECT(obj) (R_CAST(RObject)(obj))
R_CAST           399 ruby.h         #define RCLASS(obj)  (R_CAST(RClass)(obj))
R_CAST           401 ruby.h         #define RFLOAT(obj)  (R_CAST(RFloat)(obj))
R_CAST           402 ruby.h         #define RSTRING(obj) (R_CAST(RString)(obj))
R_CAST           403 ruby.h         #define RREGEXP(obj) (R_CAST(RRegexp)(obj))
R_CAST           404 ruby.h         #define RARRAY(obj)  (R_CAST(RArray)(obj))
R_CAST           405 ruby.h         #define RHASH(obj)   (R_CAST(RHash)(obj))
R_CAST           406 ruby.h         #define RDATA(obj)   (R_CAST(RData)(obj))
R_CAST           407 ruby.h         #define RSTRUCT(obj) (R_CAST(RStruct)(obj))
R_CAST           408 ruby.h         #define RBIGNUM(obj) (R_CAST(RBignum)(obj))
R_CAST           409 ruby.h         #define RFILE(obj)   (R_CAST(RFile)(obj))