Hacker ApprovedDepartments

Lib0xc

Shares rank 5 of 9 c++ libraries by recommenders

Free C library of safer systems APIs that people say can make existing C code safer, with bounds safety where possible. Caveat: it doesn't support MSVC or Windows.

Free C library of safer systems APIs that people say can make existing C code safer, with bounds safety where possible. Caveat: it doesn't support MSVC or Windows.

8 people gave an opinion

recommend it
6
criticize it
2
approval share
75%
Each figure is one person. RecommendsCriticizes

Recommended in 1 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 6 people recommend itNeeds 10 or more, not met.
  • 3 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 1 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Helps make C code safer

    “It's supposed to help you make your existing C codebase significantly safer than it was yesterday.”

    Comment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

    “lib0xc gives you bounds -safety everywhere it can.”

    Comment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”
  • Promising idea people hope catches on

    “I truly hope something like this catches on.”

    Comment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

    “The title looks very promising.”

    Comment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

What people warn about

Each mark is one comment

  • Ignored prior developments, leftover C++ syntax

    “Not all of the APIs were brain-dead. They just ignored all previous developments and in the proposal they didn't even remove the C++-related language.”

    Comment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

Other c++ libraries people recommend

The four most recommended other c++ libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Lib0xc compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
musl libc342558%10——
glibc297528%10——
Cosmopolitan libc29683%10—Approved
Sp.h standard library for C112729%1——
Lib0xcThis page6275%1——
See all 9 c++ libraries, ranked

What people said

9 of the 10 comments that mention it, newest first. Each links to the original comment.

“treasure trove of more advanced c design patterns that are worth knowing”

RecommendsComment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“Not all of the APIs were brain-dead. They just ignored all previous developments and in the proposal they didn't even remove the C++-related language.”

MixedComment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“It's just an excuse not to use safe languages.”

CriticizesComment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“I've also found that using those attributes inherently pushes your code to make ownership more explicit.”

RecommendsComment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“doesn't support MSVC or Windows”

CriticizesComment from 2 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“lib0xc gives you bounds -safety everywhere it can.”

MixedComment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“It's supposed to help you make your existing C codebase significantly safer than it was yesterday.”

RecommendsComment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“The title looks very promising.”

RecommendsComment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

“I truly hope something like this catches on.”

RecommendsComment from 1 May 2026 in “Lib0xc: A set of C standard library-adjacent APIs for safer systems programming”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.