you000的专栏

#include <stdio.h>#include <errno.h>#include <assert.h>typedef enum STATE{SUCCESS,// 成功FILE_ERROE,// 文件错误NO_MATCH,// 不匹配OTHER,// 其他错误}STATE;typedef enum TAG{TAG_BEGIN,// 在C注释段中TAG_END,// C注释结束}TAG;#pragma warning(disable:4996)STATE AnnotationConvert(FILE* inFile, FILE* outFile){TAG tag = TAG_END;char firstCh, secondCh;assert(inFile);assert(outFile);do{firstCh = fgetc(inFile);switch (firstCh){case '/':secondCh = fgetc(inFile);if (secondCh == '*'&& tag == TAG_END){fputc('/', outFile);fputc('/', outFile);tag = TAG_BEGIN;}else{fputc(firstCh, outFile);fputc(secondCh, outFile);if (secondCh == '/'){char next = fgetc(inFile);while (next != '\n'){next = fgetc(inFile);fputc(next, outFile);}}}break;case '\n':fputc('\n', outFile);if (tag == TAG_BEGIN){fputc('/', outFile);fputc('/', outFile);}break;case '*':secondCh = fgetc(inFile);if (secondCh == '/'&&tag==TAG_BEGIN){char next = fgetc(inFile);if (next != '\n' && next != EOF){fputc('\n', outFile);fseek(inFile, -1, SEEK_CUR);}if (next == EOF){firstCh = EOF;}tag = TAG_END;}else{fputc(firstCh, outFile);fseek(inFile, -1, SEEK_CUR);}break;default:fputc(firstCh, outFile);break;}} while (firstCh != EOF);if (tag == TAG_END){return SUCCESS;}else{return NO_MATCH;}}int StartConvert(){STATE s;const char* inFileName = "input.c";const char* outFileName = "output.c";FILE* inFile = fopen(inFileName, "r");FILE* outFile = fopen(outFileName, "w");if (inFile == NULL){return FILE_ERROE;}if (outFile == NULL){fclose(inFile);return FILE_ERROE;}s = AnnotationConvert(inFile, outFile);fclose(inFile);fclose(outFile);return s;}int main(){STATE ret = StartConvert();if (ret == SUCCESS){printf("转换成功\n");}else if (ret == NO_MATCH){printf("不匹配\n");}else if (ret == FILE_ERROE){printf("文件错误: %d\n", errno);}else{printf("其他错误: %d\n", errno);}return 0;}

，你可能付出一定的代价，但日后你得到的，远比付出的多得多。