名前空間
変種
操作

feof

提供: cppreference.com
< c‎ | io

 
 
File input/output
機能します
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ファイルアクセス
Original:
File access
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
直接入力/出力
Original:
Direct input/output
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
fread
fwrite
書式なし入力/出力
Original:
Unformatted input/output
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
書式付き入力/出力
Original:
Formatted input/output
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ファイル位置付け
Original:
File positioning
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
ftell
fgetpos
fseek
fsetpos
rewind
エラー処理
Original:
Error handling
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
clearerr
feof
ferror
perror
ファイルに対する操作
Original:
Operations on files
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
remove
rename
tmpfile
tmpnam
 
Defined in header <stdio.h>
int feof( FILE *stream );
与えられたファイルストリームの終わりかどうかをチェックするに達しています.
Original:
Checks if the end of the given file stream has been reached.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

目次

[編集] パラメータ

stream -
ファイルストリームをチェックする
Original:
the file stream to check
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] 値を返します

ゼロ以外の値にストリームの終わりにそうでなければ0、達していないか
Original:
nonzero value if the end of the stream has been reached, otherwise 0
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集] ノート

最新のI / O操作によって報告されるように、この関数は、ストリームの状態を報告し、それが関連付けられているデータソースを調べません。最新のI / Oは、ファイルの最後のバイトを戻さfgetcだった場合、例えば、feofは、ゼロ以外の値を返します。次のfgetcは失敗し、エンド·オブ·ファイルをストリームの状態を変更します。だけにしてfeofゼロを返し.
Original:
This function only reports the stream state as reported by the most recent I/O operation, it does not examine the associated data source. For example, if the most recent I/O was a fgetc, which returned the last byte of a file, feof returns non-zero. The next fgetc fails and changes the stream state to end-of-file. Only then feof returns zero.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
典型的な使い方では、入力ストリームの処理が何らかのエラーで停止します。feofferrrorその後、さまざまなエラー条件を区別するために使用され.
Original:
In typical usage, input stream processing stops on any error; feof and ferrror are then used to distinguish between different error conditions.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[編集]

#include <stdio.h>
#include <stdlib.h>
 
int main()
{
    FILE* fp = fopen("test.txt", "r");
    if(!fp) {
        perror("File opening failed");
        return EXIT_FAILURE;
    }
 
    int c; // note: int, not char, required to handle EOF
    while ((c = fgetc(fp)) != EOF) { // typical file reading loop
       putchar(c);
    }
 
    if (ferror(fp))
        puts("I/O error when reading");
    else if (feof(fp))
        puts("End of file reached successfully");
}


[編集] も参照してください

エラーをクリアします
Original:
clears errors
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(機能) [edit]
stderrに現在のエラーの対応する文字列が表示されます
Original:
displays a character string corresponding of the current error to stderr
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(機能) [edit]
ファイルのエラーをチェックします
Original:
checks for a file error
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(機能) [edit]