Cargo Features

[dependencies]
libc-test = { version = "0.2.154", default-features = false, features = ["std", "align", "extra_traits"] }
default = std

The std feature is set by default whenever libc-test is added without default-features = false somewhere in the dependency tree.

std default

Enables std of libc

align

Enables align of libc

extra_traits

Enables extra_traits of libc

libc-test has 4 features without comments.