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 *  https://www.R-project.org/Licenses/
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 *  https://www.R-project.org/Licenses/
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 */
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 */
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/*
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/*
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   For use by alternative front-ends and packages which need to share
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   For use by alternative front-ends and packages which need to share
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   the R event loop.
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   the R event loop (on Unix-alikes).
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   Not part of the API and subject to change without notice.
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   Not part of the API and subject to change without notice.
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   NB: HAVE_SYS_SELECT_H should be checked and defined before this is
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   included (or <sys/select.h> included if NO_C_HEADERS is defined).
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 */
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 */
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#ifndef R_EXT_EVENTLOOP_H
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#ifndef R_EXT_EVENTLOOP_H
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#define R_EXT_EVENTLOOP_H
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#define R_EXT_EVENTLOOP_H
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#ifndef NO_C_HEADERS
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#ifndef NO_C_HEADERS
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/* configure required this header */
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# ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>  /* also for fd_set according to recent POSIX */
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#  include <sys/select.h> /* for fd_set, select according to POSIX 2004 */
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# endif
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# ifdef HAVE_SYS_TIME_H
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#  include <sys/time.h>	 /* according to earlier POSIX and perhaps HP-UX */
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# endif
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/* NOTE: Needed at least on FreeBSD so that fd_set is defined. */
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/* NOTE: At one time needed on FreeBSD so that fd_set is defined. */
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# include <sys/types.h>
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# include <sys/types.h>
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#endif
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#endif
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#ifdef  __cplusplus
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#ifdef  __cplusplus
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extern "C" {
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extern "C" {