题目内容
以下程序:#include main(){ FILE * fp;char str[ 10];fp = fopen ( " myfile. dat" ," w");fputs( " abc" ,fp) ;fclose( fp);fp = fopen ( " myfile. dat" ," a+");fprintf(fp,”%d" ,28);rewind(fp);fscanf( fp," % s" , str) ; puts(str);fclose(fp);}程序运行后的输出结果是 ______。
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