统计字数的小程序（1）

读取输入的的字符并报告其中的字符、单词以及行数。

c primer plus 7.7

 

#include<stdio.h>
#include<stdbool.h>
#include<ctype.h>
#define STOP ']'
int main(void)
{    char c;
    int n_character=0;
    int n_word= 0;
    int n_line = 0;
    int p_line = 0;
    bool inword = false;
    char prev ;
    printf("Please enter the strings to be analysis:\n");
    prev= '\n';
    
    while((c=getchar())!=STOP)
    {    n_character++;    
        if(!inword && !isspace(c))
        {    inword = true;
            n_word++;
        }
        if(inword && isspace(c)) inword = false;
        if(c == '\n') n_line++;
        prev = c;
    }
    
    if(prev !='\n' ) p_line = 1;
    
    printf(" charaters : %d\n words: %d\n lines: %d\n partical lines: %d\n",
    n_character,n_word,n_line,p_line);
    return 0;
}