#ifndef __DSTACK_H__
#define __DSTACK_H__

/**
 * dstack.h - Declarations of a simple stack of doubles.
 *   Based closely on code taken from section 4.3 of K&R.
 */

/**
 * Add a value to the stack
 */
void dpush (double d);

/**
 * Remove a value from the stack
 */
double dpop (void);

#endif // __DSTACK_H__