C++动态数组，一个数组给另一个数组赋值

#include#include#define L 10void main(){char *s;int Get_str(char **s);printf("请输出字符串（任意长度）：\n");Get_str(&s);printf("%s\n",s);}/**读取长度未知的任意字符串*以回车符作为结尾标识*每次申请长度为N（=10）的内存空间*溢出时再次申请。*/int Get_str(char **s){int n = 1;int i = 0;*s = (char *)malloc(sizeof(char)*L*n);if(*s == NULL){printf("ERROR On Memory Application.\n");getchar();exit(0);}while(scanf("%c",*s+i),*(*s+i)!='\n'){i++;if(i >= n*L){n++;*s = (char *)realloc(*s,sizeof(char)*L*n);if(*s == NULL){printf("ERROR On Memory Application.\n");getchar();exit(0);}}}*(*s+i) = '\0';return 0;}