1#ifndef STRNCPY
2# define STRNCPY __strncpy_sse2_unaligned
3#endif
4
5#define USE_AS_STRNCPY
6#define STRCPY STRNCPY
7#include "strcpy-sse2-unaligned.S"
8

source code of glibc/sysdeps/x86_64/multiarch/strncpy-sse2-unaligned.S