#include?<stdio.h>
#include?<stdlib.h>
#include?<string.h>
#include?<openssl/safestack.h>
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#define?sk_Student_new(st)?SKM_sk_new(Student,?(st))
#define?sk_Student_new_null()?SKM_sk_new_null(Student)
#define?sk_Student_free(st)?SKM_sk_free(Student,?(st))
#define?sk_Student_num(st)?SKM_sk_num(Student,?(st))
#define?sk_Student_value(st,?i)?SKM_sk_value(Student,?(st),?(i))
#define?sk_Student_set(st,?i,?val)?SKM_sk_set(Student,?(st),?(i),?(val))
#define?sk_Student_zero(st)?SKM_sk_zero(Student,?(st))
#define?sk_Student_push(st,?val)?SKM_sk_push(Student,?(st),?(val))
#define?sk_Student_unshift(st,?val)?SKM_sk_unshift(Student,?(st),?(val))
#define?sk_Student_find(st,?val)?SKM_sk_find(Student,?(st),?(val))
#define?sk_Student_delete(st,?i)?SKM_sk_delete(Student,?(st),?(i))
#define?sk_Student_delete_ptr(st,?ptr)?SKM_sk_delete_ptr(Student,?(st),?(ptr))
#define?sk_Student_insert(st,?val,?i)?SKM_sk_insert(Student,?(st),?(val),?(i))
#define?sk_Student_set_cmp_func(st,?cmp)?SKM_sk_set_cmp_func(Student,?(st),?(cmp))
#define?sk_Student_dup(st)?SKM_sk_dup(Student,?st)
#define?sk_Student_pop_free(st,?free_func)?SKM_sk_pop_free(Student,?(st),?(free_func))
#define?sk_Student_shift(st)?SKM_sk_shift(Student,?(st))
#define?sk_Student_pop(st)?SKM_sk_pop(Student,?(st))
#define?sk_Student_sort(st)?SKM_sk_sort(Student,?(st))
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typedef????struct????Student_st
{
????char????????*name;
????int????????age;
????char????????*otherInfo;
}Student;
typedef????STACK_OF(Student)????Students;
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Student?*Student_Malloc()
{
????Student?*a=malloc(sizeof(Student));
????a->name=malloc(20);
????strcpy(a->name,"zcp");
????a->otherInfo=malloc(20);
????strcpy(a->otherInfo,"no info");
????return?a;
}
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void????Student_Free(Student?*a)
{
????free(a->name);
????free(a->otherInfo);
????free(a);
}
static????int?Student_cmp(Student?*a,Student?*b)
{
????int????????ret;

????ret=strcmp(a->name,b->name);
????return?ret;
}
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int????main()
{
????Students????????*s,*snew;
????Student?????????*s1,*one,*s2;
????int????????????i,num;
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????s=sk_Student_new_null();
????snew=sk_Student_new(Student_cmp);
????s2=Student_Malloc();
????sk_Student_push(snew,s2);
????i=sk_Student_find(snew,s2);
????s1=Student_Malloc();
????sk_Student_push(s,s1);
????num=sk_Student_num(s);
????for(i=0;i<num;i++)
????{
????????one=sk_Student_value(s,i);
????????printf("student name :????%s\n",one->name);
????????printf("sutdent????age :????%d\n",one->age);
????????printf("student otherinfo :????%s\n\n\n",one->otherInfo);
????}
????sk_Student_pop_free(s,Student_Free);
????sk_Student_pop_free(snew,Student_Free);
????return?0;
}