题解 | 判断是不是字母,涉及到缓冲区
判断是不是字母
https://www.nowcoder.com/practice/91a588dd4cd244bfa616f17603ec123c
#include <stdio.h> #include <ctype.h> int main() { char ch ; while((scanf("%c",&ch)) == 1) { getchar(); if(isalpha(ch)) { printf("%c is an alphabet.\n",ch); } else { printf("%c is not an alphabet.\n",ch); } } return 0; }