Defined in 3 files as a macro:
- external/ibm-public/postfix/dist/src/global/bounce.c, line 211 (as a macro)
- external/ibm-public/postfix/dist/src/global/defer.c, line 177 (as a macro)
- external/ibm-public/postfix/dist/src/global/sent.c, line 88 (as a macro)