start writing psql module, start writing exercise 1 with that module, small header file changes as needed for module programming

1 files changed, 5 insertions, 0 deletions

diff --git a/lisp_api.h b/lisp_api.h
index bb4bf6f..66ad231 100644
--- a/lisp_api.h
+++ b/lisp_api.h
@@ -4,6 +4,11 @@
 typedef struct value value;
 typedef struct env env;
 
+value *eval(env *e, value *val);
+
+void print_value(value *val);
+void println_value(value *val);
+
 typedef enum {
 	VT_INT,
 	VT_DOUBLE,