字符串翻转

/**************************************************************************File name：       Author：xxx       Date: 2016-12-13Description：   输入一个英文句子，翻转句子中单词的顺序，但单词内字符的顺序不变，句子中单词以空格符隔开。Funcion List:   **************************************************************************/#include <stdio.h>void overturn (char *p){char *pre;char *cur;pre = p;cur = p;while (*p != '\0'){p++;}cur = p - 1;char temp;while (pre <= cur){temp = *pre;*pre = *cur;*cur = temp;pre++;cur--;}}void reverse (char *p){char *front = p;char *later = p;while (*later != '\0'){if (*later == ' '){*later = '\0';overturn(front);*later = ' ';later++;front = later;}else{later++;}}overturn(front);}int main (){char ch[50];gets (ch);//scanf ("%s", ch);//printf ("%s\n", ch);overturn (ch);reverse (ch);puts (ch);//printf ("%s\n", ch);return 0;}