description | title | ms.date | f1_keywords | helpviewer_keywords | ms.assetid | ||||
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Learn more about: __movsb |
__movsb |
09/02/2019 |
|
|
ba5469f6-f797-4cd2-bee8-74c7666c26d4 |
Microsoft Specific
Generates a Move String (rep movsb
) instruction.
void __movsb(
unsigned char* Destination,
unsigned const char* Source,
size_t Count
);
Destination
[out] A pointer to the destination of the copy.
Source
[in] A pointer to the source of the copy.
Count
[in] The number of bytes to copy.
Intrinsic | Architecture |
---|---|
__movsb |
x86, x64 |
Header file <intrin.h>
The result is that the first Count
bytes pointed to by Source
are copied to the Destination
string.
This routine is only available as an intrinsic.
// movsb.cpp
// processor: x86, x64
#include <stdio.h>
#include <intrin.h>
#pragma intrinsic(__movsb)
int main()
{
unsigned char s1[100];
unsigned char s2[100] = "A big black dog.";
__movsb(s1, s2, 100);
printf_s("%s %s", s1, s2);
}
A big black dog. A big black dog.
END Microsoft Specific