+#ifndef PERL_NO_INLINE_FUNCTIONS
+PERL_STATIC_INLINE bool S_is_safe_syscall(pTHX_ const char *pv, STRLEN len, const char *what, const char *op_name)
+ __attribute__warn_unused_result__;
+#define PERL_ARGS_ASSERT_IS_SAFE_SYSCALL \
+ assert(pv); assert(what); assert(op_name)
+#endif
+
+#ifndef PERL_NO_INLINE_FUNCTIONS
+PERL_STATIC_INLINE bool S_is_strict_utf8_string(const U8 *s, const STRLEN len)
+ __attribute__warn_unused_result__;
+#define PERL_ARGS_ASSERT_IS_STRICT_UTF8_STRING \
+ assert(s)
+#endif
+
+/* PERL_CALLCONV bool is_strict_utf8_string_loc(const U8 *s, const STRLEN len, const U8 **ep); */
+#ifndef PERL_NO_INLINE_FUNCTIONS
+PERL_STATIC_INLINE bool S_is_strict_utf8_string_loclen(const U8 *s, const STRLEN len, const U8 **ep, STRLEN *el);
+#define PERL_ARGS_ASSERT_IS_STRICT_UTF8_STRING_LOCLEN \
+ assert(s)
+#endif