/* NB: Don't define MINSIGSTKSZ nor SIGSTKSZ to sysconf (SC_SIGSTKSZ) for glibc build. IS_IN can only be used when _ISOMAC isn't defined. */#ifdef _ISOMAC# include_next <bits/sigstksz.h>#else# if IS_IN (libsupport)# include_next <bits/sigstksz.h># endif#endif