if __NR_lseek is not defined, then we fall back to calling the 64bit lseek

libc/sysdeps/linux/common/lseek.c

@@ -13,8 +13,17 @@
 extern __typeof(lseek) __libc_lseek;
 libc_hidden_proto(__libc_lseek)
 
+#ifdef __NR_lseek
 #define __NR___libc_lseek __NR_lseek
 _syscall3(__off_t, __libc_lseek, int, fildes, __off_t, offset, int, whence);
+#else
+extern __typeof(lseek64) __libc_lseek64;
+libc_hidden_proto(__libc_lseek64)
+__off_t __libc_lseek(int fildes, __off_t offset, int whence)
+{
+	return __libc_lseek64(fildes, offset, whence);
+}
+#endif
 libc_hidden_def(__libc_lseek)
 
 libc_hidden_proto(lseek)