Şunu aradınız:: bool (Çince (Modern) - Japonca)

bool
ブール型

bool：
bool:

变量类型。 使用“ bool” 作为布尔值， 否则它将被作为一个字符串来对待
変数のタイプ。ブーリアンの場合は “bool” を使います。そうでない場合は、文字列として扱われます。

eof (bool) - true if the stream has reached end-of-file. note that for socket streams this member can be true even when unread_bytes is non-zero. to determine if there is more data to be read, use feof() instead of reading this item.
eof (bool) - true if the stream has reached end-of-file. note that for socket streams this member can be true even when unread_bytes is non-zero. to determine if there is more data to be read, use feof() instead of reading this item.