1 files changed, 14 insertions, 0 deletions

diff --git a/symbol.c b/symbol.c
index a9d1d1f..6cdbffe 100644
--- a/symbol.c
+++ b/symbol.c
@@ -5,6 +5,7 @@
 #include "apl9.h"
 
 Symtab *globalsymtab;
+Symtab *currentsymtab;
 
 Symbol *
 getsym(Symtab *tab, Rune *name)
@@ -27,5 +28,18 @@ newsymtab(void)
 	Symtab *tab = malloc(sizeof(Symtab));
 	tab->nsyms = 0;
 	tab->syms = nil;
+
+	Symbol *io = getsym(tab, L"⎕IO");
+	io->value.tag = ArrayTag;
+	io->value.array = mkscalarint(1);
+	io->undefined = 0;
+
 	return tab;
+}
+
+vlong
+globalIO(void)
+{
+	Symbol *s = getsym(currentsymtab, L"⎕IO");
+	return s->value.array->intdata[0];
 }
\ No newline at end of file