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diff --git a/kpat/freecell-solver/card.h b/kpat/freecell-solver/card.h
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+/*
+ * card.h - header file for card functions for Freecell Solver
+ *
+ * Written by Shlomi Fish ([email protected]), 2000
+ *
+ * This file is in the public domain (it's uncopyrighted).
+ */
+
+
+#ifndef FC_SOLVE__CARD_H
+#define FC_SOLVE__CARD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef FC_SOLVE__STATE_H
+#include "state.h"
+#endif
+
+/*
+ * This function converts an entire card from its string representations
+ * (e.g: "AH", "KS", "8D"), to a fcs_card_t data type.
+ * */
+extern fcs_card_t freecell_solver_card_user2perl(const char * str);
+#define fcs_card_user2perl(str) (freecell_solver_card_user2perl(str))
+
+
+
+/*
+ * Convert an entire card to its user representation.
+ *
+ * */
+extern char * freecell_solver_card_perl2user(
+    fcs_card_t card,
+    char * str,
+    int t
+    );
+
+#define fcs_card_perl2user(card,str,t) (freecell_solver_card_perl2user((card),(str),(t)))
+
+
+
+/*
+ * Converts a card_number from its internal representation to a string.
+ *
+ * num - the card number
+ * str - the string to output to.
+ * card_num_is_null - a pointer to a bool that indicates whether
+ *      the card number is out of range or equal to zero
+ * t - whether 10 should be printed as T or not.
+ * */
+extern char * freecell_solver_p2u_card_number(
+    int num,
+    char * str,
+    int * card_num_is_null,
+    int t,
+    int flipped
+    );
+
+#define fcs_p2u_card_number(num,str,card_num_is_null,t,flipped) \
+    (freecell_solver_p2u_card_number((num),(str),(card_num_is_null),(t),(flipped)))
+
+/*
+ * Converts a suit to its user representation.
+ *
+ * */
+char * freecell_solver_p2u_suit(
+    int suit,
+    char * str,
+    int card_num_is_null,
+    int flipped
+    );
+
+#define fcs_p2u_suit(suit,str,card_num_is_null,flipped) \
+    (freecell_solver_p2u_suit((suit),(str),(card_num_is_null),(flipped)))
+
+/*
+ * This function converts a card number from its user representation
+ * (e.g: "A", "K", "9") to its card number that can be used by
+ * the program.
+ * */
+extern int freecell_solver_u2p_card_number(const char * string);
+#define fcs_u2p_card_number(string) (freecell_solver_u2p_card_number(string))
+
+/*
+ * This function converts a string containing a suit letter (that is
+ * one of H,S,D,C) into its suit ID.
+ *
+ * The suit letter may come somewhat after the beginning of the string.
+ *
+ * */
+extern int freecell_solver_u2p_suit(const char * deck);
+#define fcs_u2p_suit(deck) (freecell_solver_u2p_suit(deck))
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FC_SOLVE__CARD_H */