c语言 更改一个文本文件中指定的词语答:1024];int n;FILE *fp,*fp1;fp=fopen("c:\\a.txt","r");fp1=fopen("c:\\b.txt","w");if(!fp||!fp1)exit(1);fgets(s,sizeof(s)-1,fp);while(!feof(fp)){ fputs(replace(s,"while","---"),fp1);fgets(s,sizeof(s)-1,fp);} fclose(fp);fclose(fp1);} ...