Defined in 3 files as a macro:
- external/ibm-public/postfix/dist/src/global/bounce.c, line 206 (as a macro)
- external/ibm-public/postfix/dist/src/global/defer.c, line 172 (as a macro)
- external/ibm-public/postfix/dist/src/global/sent.c, line 83 (as a macro)