#define __STDC_WANT_LIB_EXTl__ 1#include 
     
      #include 
      
       typedef enum {
   false=0,true=1}bool; /* #define bool int #define true 1 #define false 0 和上述一致均是为了声明bool的头文件，代替了stdbool.h */int main(void){    unsigned long long *pPrimes =NULL;    unsigned long long trial =0;    bool found =false;    int total=0;    int count=0;    int i;    printf("How many........");    scanf_s("%d",&total); //比scanf安全    total=total<4?4:total;    pPrimes=(unsigned long long*)malloc(total*sizeof(unsigned long long));    if (!pPrimes)    {        printf("not enough...\n");        return 1;    }    *pPrimes=2ULL;    *(pPrimes +1)=3ULL;    *(pPrimes+2)=5ULL;    count =3;    trial =5LL;    while (count