c语言程序统计英语文章中的单词出现不同的单词

c程序！！#include <stdio.h> #include <string.h> #include <stdlib.h> int main() { FILE *fp; char **word, ch, *buf; int length, i, j, k, sign_w, same, number_w = 0, num = 0; if((fp = fopen("text.txt", "rb")) == NULL) { printf("cannot open text.txt!\n"); return 0; }