#include "init-arch.h" #define STRSTR __strstr_sse2 #undef libc_hidden_builtin_def #define libc_hidden_builtin_def(name) \ __hidden_ver1 (__strstr_sse2, __GI_strstr, __strstr_sse2); #include "string/strstr.c" extern char *__strstr_sse42 (const char *, const char *); libc_ifunc (strstr, HAS_SSE4_2 ? __strstr_sse42 : __strstr_sse2);