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

 1 #include<stdio.h>
 2 #include<stdbool.h>
 3 #include<ctype.h>
 4 #define STOP ']'
 5 int main(void)
 6 {    char c;
 7     int n_character=0;
 8     int n_word= 0;
 9     int n_line = 0;
10     int p_line = 0;
11     bool inword = false;
12     char prev ;
13     printf("Please enter the strings to be analysis:
");
14     prev= '
';
15     
16     while((c=getchar())!=STOP)
17     {    n_character++;    
18         if(!inword && !isspace(c))
19         {    inword = true;
20             n_word++;
21         }
22         if(inword && isspace(c)) inword = false;
23         if(c == '
') n_line++;
24         prev = c;
25     }
26     
27     if(prev !='
' ) p_line = 1;
28     
29     printf(" charaters : %d
 words: %d
 lines: %d
 partical lines: %d
",
30     n_character,n_word,n_line,p_line);
31     return 0;
32 }