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.text
.align 0
.global memcpy
.type memcpy,@function
memcpy:
pushl %esi
pushl %edi
movl 12(%esp),%edi
movl 16(%esp),%esi
movl 20(%esp),%ecx
movl %edi, %eax
cld
rep movsb
popl %edi
popl %esi
ret
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