#define IoFLAGS(sv) ((XPVIO*) SvANY(sv))->xio_flags
/* IoTYPE(sv) is a single character telling the type of I/O connection. */
-#define IoTYPE_RDONLY '<'
-#define IoTYPE_WRONLY '>'
-#define IoTYPE_RDWR '+'
-#define IoTYPE_APPEND 'a'
-#define IoTYPE_PIPE '|'
-#define IoTYPE_STD '-' /* stdin or stdout */
-#define IoTYPE_SOCKET 's'
-#define IoTYPE_CLOSED ' '
+#define IoTYPE_RDONLY '<'
+#define IoTYPE_WRONLY '>'
+#define IoTYPE_RDWR '+'
+#define IoTYPE_APPEND 'a'
+#define IoTYPE_PIPE '|'
+#define IoTYPE_STD '-' /* stdin or stdout */
+#define IoTYPE_SOCKET 's'
+#define IoTYPE_CLOSED ' '
+#define IoTYPE_IMPLICIT 'I' /* stdin or stdout or stderr */
+#define IoTYPE_NUMERIC '#' /* fdopen */
/*
=for apidoc Am|bool|SvTAINTED|SV* sv
not.
=for apidoc Am|void|SvTAINTED_on|SV* sv
-Marks an SV as tainted.
+Marks an SV as tainted if tainting is enabled.
=for apidoc Am|void|SvTAINTED_off|SV* sv
Untaints an SV. Be I<very> careful with this routine, as it short-circuits
untainting variables.
=for apidoc Am|void|SvTAINT|SV* sv
-Taints an SV if tainting is enabled
+Taints an SV if tainting is enabled.
=cut
*/