C语言实现英文文章单词拼写检查工具

#include <stdio.h> #include <stdlib.h> #include <string.h> #include <ctype.h>

#define MAX_WORD_LEN 50 #define MAX_INDEX_SIZE 1000

int main() { // 读取单词索引表 char index[MAX_INDEX_SIZE][MAX_WORD_LEN+1]; int index_size = 0; FILE* index_file = fopen('index.txt', 'r'); if (index_file == NULL) { printf('Failed to open index file.\n'); return 1; } while (fgets(index[index_size], MAX_WORD_LEN+1, index_file) != NULL) { // 去掉行末换行符 index[index_size][strcspn(index[index_size], '\n')] = '\0'; index_size++; } fclose(index_file);

// 读取英文文章并检查单词正确性
char word[MAX_WORD_LEN+1];
int word_len = 0;
FILE* in_file = fopen('in.txt', 'r');
FILE* error_file = fopen('error.txt', 'w');
if (in_file == NULL || error_file == NULL) {
    printf('Failed to open input or error file.\n');
    return 1;
}
int c;
while ((c = fgetc(in_file)) != EOF) {
    if (isalpha(c)) {
        // 当前字符是字母，加入单词
        if (word_len < MAX_WORD_LEN) {
            word[word_len++] = tolower(c);
        }
    } else {
        // 当前字符不是字母，结束单词
        if (word_len > 0) {
            word[word_len] = '\0';
            // 在索引表中查找单词
            int found = 0;
            for (int i = 0; i < index_size; i++) {
                if (strcmp(word, index[i]) == 0) {
                    found = 1;
                    break;
                }
            }
            if (!found) {
                // 单词不在索引表中，输出到错误文件
                fprintf(error_file, '%s\n', word);
            }
            word_len = 0;
        }
    }
}
fclose(in_file);
fclose(error_file);

return 0;

}