kolibrios/programs/develop/ktcc/trunk/libc.obj/source/libtcc1/memcpy.asm

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NASM
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format ELF
section '.text' executable
include '../../../../../../proc32.inc'
public memcpy
proc memcpy c, to:dword,from:dword,count:dword
push esi
push edi
mov ecx, [count]
test ecx, ecx
jz .no_copy_block
mov esi, [from]
mov edi, [to]
cld
rep movsb
.no_copy_block:
pop edi
pop esi
mov eax, [to]
ret
endp