_PC_VDISABLE      898 ext/etc/constdefs.h #if !defined(_PC_VDISABLE)
_PC_VDISABLE      900 ext/etc/constdefs.h #  define _PC_VDISABLE _PC_VDISABLE
_PC_VDISABLE     1478 ext/etc/constdefs.h #if defined(_PC_VDISABLE)
_PC_VDISABLE     1479 ext/etc/constdefs.h     rb_define_const(mod, "PC_VDISABLE", INTEGER2NUM(_PC_VDISABLE));