81. 字符串逆置

void inverse1(char* ch)
{
int i = 0;
int j = strlen(ch)-1;
while (i < j)
{
char temp = ch[i];
ch[i] = ch[j];
ch[j] = temp;
i++;
j—;

}<br />    return;<br />}<br />void inverse(char* ch)<br />{<br />    char* ftemp = ch;<br />    char* btemp = ch + strlen(ch) - 1;<br />    //printf("%c\n", btemp);<br />    while (ftemp < btemp)<br />    {<br />        char temp = *ftemp;<br />        *ftemp = *btemp;<br />        *btemp = temp;<br />        ftemp++;<br />        btemp--;<br />    }<br />    return;

}
int main1()
{
char ch[] = “hello world”;
inverse(ch);
printf(“%s\n”, ch);
return 0;
}