/**
 * tally.h
 *   Yay!  Make C more like Scheme.
 */

#ifndef __TALLY_H__
#define __TALLY_H__

/**
 * Procedure:
 *   tally-strings
 * Parameters:
 *   strings, an array of strings
 *   size, an integer
 *   pred, a function from strings to integers
 * Purpose:
 *   Count strings that meet pred.
 * Produces:
 *   tally, an integer
 * Preconditions:
 *   strings contains at least size strings
 *   pred does not affect its parameter
 * Postconditions:
 *   There are exactly tally indices i s.t. pred (strings[i])
 */
int tally_strings (char *strings[], int size, int (*pred)(char *str));

#endif // __TALLY_H__