_SC_THREAD_ATTR_STACKSIZE  273 ext/etc/constdefs.h #if !defined(_SC_THREAD_ATTR_STACKSIZE)
_SC_THREAD_ATTR_STACKSIZE  275 ext/etc/constdefs.h #  define _SC_THREAD_ATTR_STACKSIZE _SC_THREAD_ATTR_STACKSIZE
_SC_THREAD_ATTR_STACKSIZE 1103 ext/etc/constdefs.h #if defined(_SC_THREAD_ATTR_STACKSIZE)
_SC_THREAD_ATTR_STACKSIZE 1104 ext/etc/constdefs.h     rb_define_const(mod, "SC_THREAD_ATTR_STACKSIZE", INTEGER2NUM(_SC_THREAD_ATTR_STACKSIZE));