# diag-id-numbers, Qdiag-id-numbers

Determines whether the compiler displays diagnostic messages by using their ID number values.

## Syntax

Linux: | -diag-id-numbers -no-diag-id-numbers

macOS: | -diag-id-numbers -no-diag-id-numbers

Windows: | /Qdiag-id-numbers /Qdiag-id-numbers-

## Arguments

None

## Default

-diag-id-numbers or /Qdiag-id-numbers | The compiler displays diagnostic messages by using their ID number values.

## Description

This option determines whether the compiler displays diagnostic messages by using their ID number values. If you specify the negative form of the [Q]diag-id-numbers option, mnemonic names are output for driver diagnostics only.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Compiler Diagnostic Options

## See Also

diag, Qdiag compiler option