char * reverse_str(char *s){
char *p = s;
char *q = s;
char temp = 0;
while(*q != '\0'){
q++;
}
q--;//\0前一个字符
while(p < q){
temp = *p;
*p = *q;
*q = temp;
p++;
q--;
}
return s;
}
调试之后发现是交换那段循环的问题,不知道问题出在哪,求指点!