题目内容

请将代码补充完整。01 #include 02 #include 0304 int main()05 {06 FILE fp1, fp2;07 if ((fp1 = fopen("file1.txt", "r")) == NULL)08 {09 printf("Cannot open the file.\n");10 exit(0);11 }12 if ((fp2 = fopen("file2.txt", "w")) == NULL)13 {14 printf("Cannot open the file.\n");15 exit(0);16 }17 while ()18 putchar(fgetc(fp1));19 rewind(fp1);20 while (!feof(fp1))21 fputc(fgetc(fp1), fp2);22 fclose();23 fclose();24 return 0;25 }

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