__attribute__warn_unused_result__
__attribute__nonnull__(pTHX_1);
+STATIC SV* S_hv_magic_uvar_xkey(pTHX_ HV* hv, SV* keysv, int action)
+ __attribute__warn_unused_result__
+ __attribute__nonnull__(pTHX_1)
+ __attribute__nonnull__(pTHX_2);
+
STATIC void S_hv_notallowed(pTHX_ int flags, const char *key, I32 klen, const char *msg)
__attribute__noreturn__
__attribute__nonnull__(pTHX_2)