_SC_THREAD_STACK_MIN  523 ext/etc/constdefs.h #if !defined(_SC_THREAD_STACK_MIN)
_SC_THREAD_STACK_MIN  525 ext/etc/constdefs.h #  define _SC_THREAD_STACK_MIN _SC_THREAD_STACK_MIN
_SC_THREAD_STACK_MIN 1253 ext/etc/constdefs.h #if defined(_SC_THREAD_STACK_MIN)
_SC_THREAD_STACK_MIN 1254 ext/etc/constdefs.h     rb_define_const(mod, "SC_THREAD_STACK_MIN", INTEGER2NUM(_SC_THREAD_STACK_MIN));