Check output device is a terminal: Difference between revisions

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 stdout is not tty
 </pre>
+=={{header|C++}}==
+{{trans|C}}
+<lang cpp>#if _WIN32
+#include <io.h>
+#define ISATTY _isatty
+#define FILENO _fileno
+#else
+#include <unistd.h>
+#define ISATTY isatty
+#define FILENO fileno
+#endif
+#include <iostream>
+int main() {
+    if (ISATTY(FILENO(stdout))) {
+        std::cout << "stdout is a tty\n";
+    } else {
+        std::cout << "stdout is not a tty\n";
+    }
+    return 0;
+}</lang>
 =={{header|C#|C sharp}}==