《c程序设计语言》读书笔记

#include "stdio.h"#define Num 100void reverse(char words[]){  int i, j, c, n=0;  while(words[n]!='\0')  n++;  for(i=0,j=n-1;i<j;i++,j--)  {    c = words[i];    words[i] = words[j];    words[j] = c;  }}int main(){    char words[Num]={0};    int c,i = 0;    while((c = getchar()) != EOF)          {              words[i] = c;              i++;          }    reverse(words);    printf("%s\n",words);    return 0;}

反转字符串。