#include

#include

int main(void)

{

int a = 0, b = 0, c = 0;

char buf[128];

FILE *fp;

/* 開啟檔案，檔名必須大寫 */

fp= fopen("DATA5610.TXT", "r");

if (!fp) {

printf("No "DATA5610.TXT" found.\n");

return -1;

}

/* 逐次讀取單詞，空格或回車分割 */

while (fscanf(fp, "%s", buf) > 0) {

/* 如讀取到的單詞是 if，則a自增 1 */

if (strcmp(buf, "if") == 0)

a++;

else if (strcmp(buf, "while") == 0)

b++;

else if (strcmp(buf, "for") == 0)

c++;

}

printf("if: %d, while: %d, for: %d\n", a, b, c);

fclose(fp);

return 0;

}