[mnurzia]

A few implementations of true(1):

coreutils: https://raw.githubusercontent.com/coreutils/coreutils/master...

openbsd: https://cvsweb.openbsd.org/src/usr.bin/true/true.c?rev=1.1

busybox: https://git.busybox.net/busybox/plain/coreutils/true.c?h=1_3...