字符串翻转

<span style="font-size:24px;">//将student a am i 转换成 i am a student
#include<stdio.h>
#include<string.h>
//翻转一个单词
/*void reverse_string(char *l,char*r)
{
	while(l<r)
	{
		char tmp;
		tmp=*l;
		*l=*r;
		*r=tmp;
		l++;
		r--;
	}
}
//由空格判断一个单词，调用reverse_string函数进行翻转
void reverse(char ch[],int len)
{
	int i=0;
	char *ctmpl=ch;
	char *ctmpr=ch;
	while(ch[i])
	{
		if(ch[i]==' ')
		{
			reverse_string(ctmpl,ctmpr-1);
			ctmpl=++ctmpr;
		}
		else
			ctmpr++;
		i++;
	}
	reverse_string(ch,ch+len-1);//翻转整个字符串
}
int main()
{
	char ch[]="student a am i";
	reverse(ch,strlen(ch));
	printf("%s\n",ch);
	return 0;
}</span>

字符串翻转

原文：http://blog.csdn.net/sunshine552/article/details/45648955