_PC_REC_MIN_XFER_SIZE  873 ext/etc/constdefs.h #if !defined(_PC_REC_MIN_XFER_SIZE)
_PC_REC_MIN_XFER_SIZE  875 ext/etc/constdefs.h #  define _PC_REC_MIN_XFER_SIZE _PC_REC_MIN_XFER_SIZE
_PC_REC_MIN_XFER_SIZE 1463 ext/etc/constdefs.h #if defined(_PC_REC_MIN_XFER_SIZE)
_PC_REC_MIN_XFER_SIZE 1464 ext/etc/constdefs.h     rb_define_const(mod, "PC_REC_MIN_XFER_SIZE", INTEGER2NUM(_PC_REC_MIN_XFER_SIZE));