std::memcmp

 

C++

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正規表現ライブラリ (C++11)

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スレッドのサポートライブラリ (C++11)

 

文字列ライブラリ

NULLで終端された文字列

バイト文字列

マルチバイト文字列

ワイド文字列

クラス

basic_string

char_traits

 

NULL終端バイト文字列

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.
文字操作 Original: Character manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
isalnum isalpha islower isupper isdigit isxdigit isblank (C++11)	iscntrl isgraph isspace isprint ispunct tolower toupper
数値形式への変換 Original: Conversions to numeric formats The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
atof atoi atol atoll strtol strtoll	strtoul strtoull strtof strtod strtold
文字列操作 Original: String manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strcpy
strncpy
strcat
strncat
strxfrm
文字列の検査 Original: String examination The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strlen strcmp strncmp strcoll strchr strrchr	strspn strcspn strpbrk strstr strtok
メモリ操作 Original: Memory manipulation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
memchr
memcmp
memset
memcpy
memmove
その他 Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
strerror

 

Defined in header <cstring>
int memcmp( const void* lhs, const void* rhs, std::size_t count );

countとlhsが指すオブジェクトの最初のrhsの文字を比較します。比較は辞書順で行われ.

Original:

Compares the first count characters of the objects pointed to by lhs and rhs. The comparison is done lexicographically.

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パラメータ

lhs, rhs	-	メモリへのポインタは、比較するためにバッファリングします Original: pointers to the memory buffers to compare The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	検査するバイト数 Original: number of bytes to examine The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

値を返します

lhs場合は、負の値は'rhsより小さい.

Original:

Negative value if lhs is less than rhs.

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​0​場合lhsです等しいrhs.

Original:

​0​ if lhs is equal to rhs.

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正の値の場合lhs'より大きいrhs.

Original:

Positive value if lhs is greater than rhs.

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参照

strcmp	2つの文字列を比較する Original: compares two strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数)
strncmp	二つの文字列の文字の一定額を比較します Original: compares a certain amount of characters of two strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数)
C documentation for memcmp