1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#include <stdio.h>
#include <ctype.h>
#include "word.h"
#include "key.h"
#define MAXWORD 100
struct key keytab[] = {
"#define", 0,
"#elif", 0,
"#else", 0,
"#endif", 0,
"#error", 0,
"#if", 0,
"#ifdef", 0,
"#ifndef", 0,
"#include", 0,
"#pragma", 0,
"#undef", 0,
"auto", 0,
"break", 0,
"case", 0,
"char", 0,
"const", 0,
"continue", 0,
"default", 0,
"do", 0,
"double", 0,
"else", 0,
"enum", 0,
"extern", 0,
"float", 0,
"for", 0,
"goto", 0,
"if", 0,
"int", 0,
"long", 0,
"register", 0,
"return", 0,
"short", 0,
"signed", 0,
"sizeof", 0,
"static", 0,
"struct", 0,
"switch", 0,
"typedef", 0,
"union", 0,
"unsigned", 0,
"void", 0,
"volatile", 0,
"while", 0,
};
int main(void)
{
int n;
char word[MAXWORD];
while (getword(word, MAXWORD) != EOF)
if (isalpha(word[0]) || word[0] == '#')
if ((n = bsearch(word, keytab, NKEYS)) >= 0)
keytab[n].count++;
for (n = 0; n < NKEYS; ++n)
if(keytab[n].count > 0)
printf("%4d %s\n",
keytab[n].count, keytab[n].word);
return 0;
}
|
