#include <limits.h>#include "api.h"#define MAXINT INT_MAX#define MININT INT_MIN#define HEAD 2*sizeof(int)#define SIZE(p)        ((int *)(p))[-1]#define SET_SIZE(p, n) ((int *)(p))[-1] = n#define CAPACITY(p)    ((int *)(p))[-2]struct among{   int s_size;     /* number of chars in string */    const symbol * s;       /* search string */    int substring_i;/* index to longest matching substring */    int result;     /* result of the lookup */    int (* function)(struct SN_env *);};extern symbol * create_s(void);extern void lose_s(symbol * p);extern int skip_utf8(const symbol * p, int c, int lb, int l, int n);extern int in_grouping_U(struct SN_env * z, const unsigned char * s, int min, int max);extern int in_grouping_b_U(struct SN_env * z, const unsigned char * s, int min, int max);extern int out_grouping_U(struct SN_env * z, const unsigned char * s, int min, int max);extern int out_grouping_b_U(struct SN_env * z, const unsigned char * s, int min, int max);extern int in_grouping(struct SN_env * z, const unsigned char * s, int min, int max);extern int in_grouping_b(struct SN_env * z, const unsigned char * s, int min, int max);extern int out_grouping(struct SN_env * z, const unsigned char * s, int min, int max);extern int out_grouping_b(struct SN_env * z, const unsigned char * s, int min, int max);extern int eq_s(struct SN_env * z, int s_size, const symbol * s);extern int eq_s_b(struct SN_env * z, int s_size, const symbol * s);extern int eq_v(struct SN_env * z, const symbol * p);extern int eq_v_b(struct SN_env * z, const symbol * p);extern int find_among(struct SN_env * z, const struct among * v, int v_size);extern int find_among_b(struct SN_env * z, const struct among * v, int v_size);extern int replace_s(struct SN_env * z, int c_bra, int c_ket, int s_size, const symbol * s, int * adjustment);extern int slice_from_s(struct SN_env * z, int s_size, const symbol * s);extern int slice_from_v(struct SN_env * z, const symbol * p);extern int slice_del(struct SN_env * z);extern int insert_s(struct SN_env * z, int bra, int ket, int s_size, const symbol * s);extern int insert_v(struct SN_env * z, int bra, int ket, const symbol * p);extern symbol * slice_to(struct SN_env * z, symbol * p);extern symbol * assign_to(struct SN_env * z, symbol * p);extern void debug(struct SN_env * z, int number, int line_count);