reverse_string(翻转参数字符串)

#include <stdio.h>void reverse_string(char *string);int main(){    char str[] = "This is a test code!";    reverse_string(str);    printf("%s\n",str);    return 0;}void reverse_string(char *str){    char *last_char;        for (last_char = str; *last_char != '\0'; last_char++)    {        ;    }    last_char--;        while (str < last_char)    {        char temp;        temp = *last_char;        *last_char-- = *str;        *str++ = temp;    }}