_PC_LINK_MAX      823 ext/etc/constdefs.h #if !defined(_PC_LINK_MAX)
_PC_LINK_MAX      825 ext/etc/constdefs.h #  define _PC_LINK_MAX _PC_LINK_MAX
_PC_LINK_MAX     1433 ext/etc/constdefs.h #if defined(_PC_LINK_MAX)
_PC_LINK_MAX     1434 ext/etc/constdefs.h     rb_define_const(mod, "PC_LINK_MAX", INTEGER2NUM(_PC_LINK_MAX));