ReactOS 0.4.15-dev-7711-g5627da4
memcpy.c File Reference
#include <string.h>
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Functions

void *__cdecl memcpy (void *dest, const void *src, size_t count)
 

Function Documentation

◆ memcpy()

void *__cdecl memcpy ( void dest,
const void src,
size_t  count 
)

Definition at line 8 of file memcpy.c.

9{
10 char *char_dest = (char *)dest;
11 char *char_src = (char *)src;
12
13 if ((char_dest <= char_src) || (char_dest >= (char_src+count)))
14 {
15 /* non-overlapping buffers */
16 while(count > 0)
17 {
18 *char_dest = *char_src;
19 char_dest++;
20 char_src++;
21 count--;
22 }
23 }
24 else
25 {
26 /* overlaping buffers */
27 char_dest = (char *)dest + count - 1;
28 char_src = (char *)src + count - 1;
29
30 while(count > 0)
31 {
32 *char_dest = *char_src;
33 char_dest--;
34 char_src--;
35 count--;
36 }
37 }
38
39 return dest;
40}
GLuint GLuint GLsizei count
Definition: gl.h:1545
GLenum src
Definition: glext.h:6340
static char * dest
Definition: rtl.c:135