C/C++ | 22-10 不用库函数,用C语言实现将一整型数字转化为字符串

/*不用库函数,用C语言实现将一整型数字转化为字符串*/#include <stdio.h>  #include <stdlib.h>#include <iostream>#include <string.h>#include <assert.h>using namespace std;char *inverse(int num,char *str2){int i = 0;int str1[100];while (num)         //倒叙存放{str1[i++] = num % 10 + 48;num = num / 10;}str1[i] = '\0';for (int j = i-1; j >= 0; j--){*str2++ = str1[j];}*str2 = '\0';return str2;}int  main(){char *p = NULL;p = (char*)malloc(4 * 100);int num = 12345789;inverse(num,p);cout << p << endl;system("pause");return 0;}