Defined in 3 files as a macro:
- external/ibm-public/postfix/dist/src/oqmgr/qmgr.c, line 547 (as a macro)
- external/ibm-public/postfix/dist/src/qmgr/qmgr.c, line 623 (as a macro)
- external/ibm-public/postfix/dist/src/tlsmgr/tlsmgr.c, line 540 (as a macro)