1 #ifndef _MUSL_FEATURES_H 2 #define _MUSL_FEATURES_H 3 4 #define weak __attribute__((__weak__)) 5 #define hidden __attribute__((__visibility__("hidden"))) 6 #define weak_alias(old, new) \ 7 extern __typeof(old) new __attribute__((__weak__, __alias__(#old))) 8 9 #endif 10