_SC_SHELL 238 ext/etc/constdefs.h #if !defined(_SC_SHELL) _SC_SHELL 240 ext/etc/constdefs.h # define _SC_SHELL _SC_SHELL _SC_SHELL 1082 ext/etc/constdefs.h #if defined(_SC_SHELL) _SC_SHELL 1083 ext/etc/constdefs.h rb_define_const(mod, "SC_SHELL", INTEGER2NUM(_SC_SHELL));