【C语言】将字符串顺序翻转，如： I am a student 转成：student a am I

//将字符串顺序翻转
//如： I am a student  转成：student a am I
#include <stdio.h>
#include <string.h>
void fanw( char *left,char *right ) //把每个单词单词翻转
{
	char* pleft = left;
	char* pright = right;
	char temp;
	while( pleft < pright )
	{
		temp = *pleft;
		*pleft = *pright;
		*pright = temp;
		pleft++;
		pright--;
	}
}
void fans( char *p )  //在字符串中找出单词
{

	while( *p != '\0')
	{
		char *pst = p;
		while( *p != '\0' && *p != ' ' )
		{
			p++;
		}
		fanw( pst,p-1 );
		p++;
	}
}

int main()
{
	char p[30] = "student a am i";
	int len = strlen(p);
	printf("原字符串为 ： %s\n",p);
	printf("翻转后的字符串为 ：");
	fanw(p,p+len-1);
	fans(p);
	printf("%s\n",p);
	return 0;
}