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std::memchr

提供: cppreference.com
< cpp‎ | string‎ | byte

 
 
ストリングスライブラリ
NULLで終わる文字列
Original:
Null-terminated strings
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バイト文字列
文字列をマルチバイト
ワイド文字列
クラス
Original:
Classes
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basic_string
char_traits
 
NULL終端バイト文字列
機能します
Original:
Functions
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文字操作
Original:
Character manipulation
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数値形式への変換
Original:
Conversions to numeric formats
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文字列操作
Original:
String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
文字列の検査
Original:
String examination
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メモリ操作
Original:
Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
その他
Original:
Miscellaneous
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strerror
 
Defined in header <cstring>
const void* memchr( const void* ptr, int ch, std::size_t count );
      void* memchr(       void* ptr, int ch, std::size_t count );
chと見つけunsigned charが指すオブジェクトの初期count文字で、その値が最初に見つかった(各unsigned charとして解釈されます)にptrを変換.
Original:
Converts ch to unsigned char and locates the first occurrence of that value in the initial count characters (each interpreted as unsigned char) of the object pointed to by ptr.
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目次

[編集] パラメータ

ptr -
調査されるオブジェクトへのポインタ
Original:
pointer to the object to be examined
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ch -
文字を検索します
Original:
character to search for
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count -
検査する文字の数
Original:
number of characters to examine
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[編集] 値を返します

文字の位置、またはNULLへのポインタは、そのような文字が見つからない場合.
Original:
Pointer to the location of the character, or NULL if no such character is found.
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[編集]

[編集] も参照してください

文字の最初のオカレンスを検索します
Original:
finds the first occurrence of a character
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(関数) [edit]
特定の条件を満たす最初の要素を検索します
Original:
finds the first element satisfying specific criteria
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(関数テンプレート) [edit]
C documentation for memchr