1.一般情况 /* int i = 0; */
2.换行问题 /* int i = 0; */int j = 0; /* int i = 0; */ int j = 0;
3.匹配问题 /int i = 0;/*xxxxx/
4.多行注释问题 /* int i=0; int j = 0; int k = 0; */int k = 0;
5.连续注释问题 ////
6.连续的/问题** //*
7.C++注释问题 // /xxxxxxxxxxxx/
TAG{TAGBEGIN,TAGEND,}TAG;typedef enum STATE{SUCCESS,NO_MATCH,}STATE;STATE Annotation_Convert(FILE *infile, FILE *outfile){TAG tag = TAGEND;assert(infile);assert(outfile);char firstCh, secondCh;do{firstCh = fgetc(infile);switch (firstCh){case ‘/’:secondCh = fgetc(infile);if (secondCh == ‘*’ && tag == TAGEND)//处理一般情况以及匹配情况{fputc(‘/’, outfile);fputc(‘/’, outfile);tag = TAGBEGIN;}else{fputc(firstCh, outfile);fputc(secondCh, outfile);if (secondCh == ‘/’)//处理C++注释情况：// /*abcdefgh*/{char next;do{next = fgetc(infile);fputc(next,outfile);} while (next != ‘\n’ && next != EOF);}}break;case ‘*’:secondCh = fgetc(infile);if (secondCh == ‘/’){char next = fgetc(infile);if (next != ‘\n’ && next != EOF)//处理换行问题/*int i = 0;*/ in t j = 0;{//以及连续注释/**//**/情况fputc(‘\n’, outfile);fseek(infile, -1, SEEK_CUR);}tag = TAGEND;}else//处理连续**/情况：/********/{fputc(firstCh, outfile);fseek(infile, -1, SEEK_CUR);}break;case ‘\n’:fputc(‘\n’, outfile);if (tag == TAGBEGIN)//处理多行注释情况/*int i = 0;{//int j = 0;fputc(‘/’, outfile); //*/int m = 0;fputc(‘/’, outfile);}break;default:fputc(firstCh, outfile);break;}} while (firstCh != EOF);if (tag == TAGEND){return SUCCESS;}else{return NO_MATCH;}}int main(){STATE s;FILE *infile = fopen(“input3.c”, “r”);FILE *outfile = fopen(“output3.c”, “w”);if (infile == NULL){perror(“error”);exit(EXIT_FAILURE);}if (outfile == NULL){fclose(infile);perror(“error”);exit(EXIT_FAILURE);}s = Annotation_Convert(infile, outfile);if (s == SUCCESS){printf(“匹配成功！\n”);}if (s == NO_MATCH){printf(“不匹配！\n”);}fclose(infile);fclose(outfile);return 0;}input.c
output.c
，孤独是为了孤独背后的解脱，孤独的过程，就是一个寻找真爱的过程。
