Improve argp detection

8 jobs for base64c in 3 minutes and 46 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #557440
build-alpine

00:00:44

passed #557438
build-debian-stable

00:00:40

passed #557439
build-debian-unstable

00:00:39

 
  Test
passed #557441
check

00:01:07

passed #557443
lint-c

00:00:23

passed #557444
lint-lua

00:00:22

passed #557442
valgrind-memcheck

00:03:01

 
  Coverage
passed #557445
coverage

00:01:11

75.6%