Proper tests.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/include/stack.h b/src/include/stack.h
new file mode 100644
index 0000000..7a16366
--- /dev/null
+++ b/src/include/stack.h
@@ -0,0 +1,23 @@
+#ifndef STACK_H
+#define STACK_H
+
+#include <stdlib.h>
+#include "util.h"
+
+#define STACK_MAXLEN 256
+
+typedef struct STACK {
+   int sp;  /* Index of first unused element of val. */
+   void* val[STACK_MAXLEN];
+} stack_t;
+
+stack_t* stack_init();
+void stack_destroy(stack_t*);
+
+void stack_push(stack_t* stack, void* val);
+void* stack_pop(stack_t* stack);
+size_t stack_len(stack_t* stack);
+
+void stack_print(stack_t* stack);
+
+#endif