util.h: minor improvement
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@@ -44,7 +44,7 @@
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#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
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# include <io.h> /* _isatty */
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# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
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#elif (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || PLATFORM_POSIX_VERSION >= 200112L /* isatty requires POSIX.1-2001 */
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#elif (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) /* isatty requires POSIX.1-2001 */
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# include <unistd.h> /* isatty */
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# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
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#else
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