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libc

v0.2.186 Growing

Raw FFI bindings to platform libraries like libc.

MIT OR Apache-2.0 Edition 2021 MSRV 1.65
External FFI bindingsOperating systemsNo standard library #bindings#ffi#system#libc#operating

Quick Verdict

  • โœ“Actively maintained (updated 32d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (138.0K crates depend on it)
  • โœ“Team maintained (7 owners)
  • โœ“Tiny footprint (822KB, 1 deps)

Security

Checking security advisories...
Downloads
1.2B
Dependents
138.0K
Releases
202
Size
822KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

93.4M downloads in the last 30 days (3.1M/day), up 22% from the previous period.

๐Ÿ›๏ธ
Foundational crate

138.0K crates depend on libc โ€” it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 59 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 11+ years old, libc hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐ŸŒŸ
Used by top crates

Notable dependents include hashbrown, getrandom, cc. When high-quality crates choose libc, it's a strong quality signal.

Health Breakdown

Maintenance 18/25

Recency, release consistency, active ratio

Quality 15/25

Yanked ratio, deps, size, maturity, features

Community 20/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
2.7M/day avg+32%
01.0M2.0M3.0M4.0M2/263/164/34/215/95/26

Top Dependents

Most downloaded crates that depend on libc

Version Adoption

v0.2.180
24%
v0.2.183
24%
v0.2.182
22%
v0.2.186
19%
v0.2.184
11%

Release Timeline

10 releasessince 2026
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2026
10
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Feature Flags

default =["std"]

std*alignuse_stdextra_traitsconst-extern-fnrustc-dep-of-std

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
138.0K
crates depend on libc

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