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 ",str);
}