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Message-ID: <qvd380p2852fiaeo8quuft7sqfk39guhdu@4ax.com> Date: 2004-04-18T01:06:16Z From: Duncan Murdoch Subject: deparse(substitute(arg)) in C? In R code, "deparse(substitute(arg))" is the usual way to construct a label for an argument. Is there an equivalent to this in C code working on an SEXP, inside a function called by .Internal()? Duncan Murdoch