std::memcmp – cppreference.com

std::memcmp

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C++
 
Strings Bibliothek
Null-terminierte Strings
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Null-terminated strings
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Byte-Strings
Multibyte-Strings
Wide Strings
Classes
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Classes
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basic_string
char_traits
 
Null-terminierte Byte-Strings
Funktionen
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Functions
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Character Manipulation
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Character manipulation
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Umwandlungen in numerische Formate
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Conversions to numeric formats
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String-Manipulation
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String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
String Prüfung
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String examination
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Speicher Manipulation
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Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
Verschiedenes
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Miscellaneous
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strerror
 
<tbody> </tbody>
definiert in Header <cstring>
int memcmp( const void* lhs, const void* rhs, std::size_t count );
Vergleicht die ersten count Zeichen der Objekte, auf die lhs und rhs. Der Vergleich wird lexikographisch getan .
Original:
Compares the first count characters of the objects pointed to by lhs and rhs. The comparison is done lexicographically.
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Parameter

lhs, rhs -
Zeiger auf den Speicher puffert zu vergleichen
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pointers to the memory buffers to compare
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count -
Anzahl von Bytes zu prüfen
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number of bytes to examine
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Rückgabewert

Negativen Wert, wenn lhs ist weniger als rhs .
Original:
Negative value if lhs is less than rhs.
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0 wenn lhs ist gleich rhs .
Original:
0 if lhs is equal to rhs.
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Positiven Wert, wenn lhs ist größer rhs .
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Positive value if lhs is greater than rhs.
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Beispiel

This section is incomplete
Reason: no example

Siehe auch