indent(1) on FreeBSD
The text 44f554499f09, as FreeBSD 11.4-RELEASE shipped it.
indent and format C program source
Flags it lists
-
-T -
-bacc -
-bad -
-bap -
-bbb -
-bc -
-bl -
-br -
-c -
-cd -
-cdb -
-ce -
-ci -
-cli -
-d -
-di -
-dj -
-eei -
-ei -
-fbs -
-fc1 -
-fcb -
-i -
-ip -
-l -
-ldi -
-lp -
-nbacc -
-nbad -
-nbap -
-nbbb -
-nbc -
-ncdb -
-nce -
-ndj -
-neei -
-nei -
-nfbs -
-nfc1 -
-nfcb -
-nip -
-nlp -
-npcs -
-npro -
-npsl -
-nsc -
-nsob -
-nut -
-nv -
-pcs -
-psl -
-sc -
-sob -
-st -
-ta -
-troff -
-ut -
-v