D:\hunting2014\小题目\字符串倒序

#include<stdio.h>
#include<string.h>

char *revert(char *str)
{ char temp;
char *p = str;
char *q = str;
int strlong = 0;
int i;
strlong = strlen(str);
q+= (strlong - 1);
for(i = 0; i <= strlong/2; i++)
{ temp = *q;
*q = *p;
*p = temp;
p++;
q--;
}
return str;
}

main()
{ char str[] = "abcdefghijklmnopqrstuvwxyz";
revert(str);
printf("%s\n",str);
}