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_byteswap_uint64, , _byteswap_ulong_byteswap_ushort

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Inverse l’ordre des octets dans un entier.

Syntaxe

unsigned short _byteswap_ushort ( unsigned short val );
unsigned long _byteswap_ulong ( unsigned long val );
unsigned __int64 _byteswap_uint64 ( unsigned __int64 val );

Paramètres

val
Entier dans lequel inverser l’ordre d’octet.

Spécifications

Routine En-tête requis
_byteswap_ushort <stdlib.h>
_byteswap_ulong <stdlib.h>
_byteswap_uint64 <stdlib.h>

Pour plus d’informations sur la compatibilité, consultez Compatibility.

Exemple

// crt_byteswap.c
#include <stdlib.h>

int main()
{
   unsigned __int64 u64 = 0x0102030405060708;
   unsigned long ul = 0x01020304;

   printf("byteswap of %I64x = %I64x\n", u64, _byteswap_uint64(u64));
   printf("byteswap of %Ix = %Ix", ul, _byteswap_ulong(ul));
}

byteswap of 0102030405060708 = 0807060504030201
byteswap of 01020304 = 04030201

Voir aussi

Routines du runtime C universel par catégorie