record(arr, "target") {
  field(FTVL, "$(TFTVL=$(FTVL=))")
  field(NELM, "$(TNELM=$(NELM=))")
}

record(arr, "source") {
  field(INP, "$(TARGET)")
  field(FTVL, "$(SFTVL=$(FTVL=))")
  field(NELM, "$(SNELM=$(NELM=))")
}