程序员算法之翻转单词中的字符

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
void Reverse(char *pbegin,char *pend)
{
    char temp;
    while(pbegin < pend)
    {
        temp = *pbegin;
        *pbegin = *pend;
        *pend = temp;
        pbegin++;
        pend--;
    }
}

void ReverseSentence(char *str)
{
    char *pbegin = str;
    char *pend = str + strlen(str) -1;
    Reverse(pbegin,pend);
    char *temp = str;
    while(*temp != '\0')
    {
        if(*temp == ' ') 
        {
            Reverse(pbegin,temp - 1);
            pbegin = temp + 1;
        }
        temp++;
    }
    Reverse(pbegin,temp - 1);

}

int main()
{
    char str[] = "I am  a student.";
    ReverseSentence(str);
    printf("%s\n",str);
    return 0;
}