//input.c中要处理的情况如下

input.c

// /*1234567890*/

源文件Annotationconvert.c

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#include
   
     #include
    
      #include
     
       #pragma warning(disable:4996) typedef enum STATE { FILE_ERROR, //文件错误 FILE_SUCCESS, //文件成功 other_error, //其他错误 NO_MATCH, //文件不匹配 }STA; typedef enum tag { tag_begin, //注释中 tag_end, //不在注释中 }TAG; STA AnnotationConvert(FILE* infile, FILE* outfile) { char firstch, secondch; int next; assert(infile); assert(outfile); TAG a = tag_end; do{ firstch = fgetc(infile); switch (firstch) { case'/': secondch = fgetc(infile); if (secondch == '*' && a == tag_end) { fputc('/', outfile); fputc('/', outfile); a = tag_begin; } else if (secondch == '/') { fputc(firstch, outfile); fputc(secondch, outfile); next = fgetc(infile); while (next != EOF && next != ' ') { fputc(next, outfile); next = fgetc(infile); } a = tag_end; } else { fputc(firstch, outfile); fputc(secondch, outfile); } break; case'*': secondch = fgetc(infile); if (secondch == '/') { fputc(' ', outfile); a = tag_end; } else if (secondch == '*') { fputc(firstch, outfile); fseek(infile, -1, SEEK_CUR); } else { fputc(firstch, outfile); fputc(secondch, outfile); } break; case' ': if (a == tag_begin) { fputc(firstch, outfile); fputc('/', outfile); fputc('/', outfile); } else { fputc(firstch, outfile); } break; default: fputc(firstch, outfile); break; } } while (firstch != EOF); if (a == tag_end) { return FILE_SUCCESS; } else { return NO_MATCH; } return 0; } STA StartConvert() { STA 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_ERROR; } if (outfile == NULL) { fclose(infile); return FILE_ERROR; } s = AnnotationConvert(infile, outfile); fclose(infile); fclose(outfile); return s; } int main() { STA ret = StartConvert(); if (ret == FILE_ERROR) { printf(文件错误:%d , errno); } else if (ret == FILE_SUCCESS) { printf(转换成功 ); } else if (other_error) { printf(其他错误:%d , errno); } else { printf(不匹配 ); } return 0; }
     
    
   

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//int i = 0;


//int y = 0;
int j = 0;
//int x = 0;/*12345678


//
//int h = 0;
//int g = 0;
//int j = 0;
//
int q = 0;
//
//


// ******


// /*1234567890*/