/usr/lib/R/site-library/zoo/include/zoo.h is in r-cran-zoo 1.7-14-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | /*
Header file for using internal C-level facilities
provided by zoo.
This is not 100% designed for end users, so
any user comments and bug reports are very
welcomed.
Copyright Jeffrey A. Ryan 2010
*/
#include <R.h>
#include <Rinternals.h>
#ifndef _Zoo
#define _Zoo
SEXP zoo_lag (SEXP x, SEXP _k, SEXP _pad);
SEXP zoo_coredata (SEXP x, SEXP copyAttr);
#endif
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