GPLv3+ and GPLv3+ with exceptions and GPLv2+ with exceptions and LGPLv2+ and BSD
LGPLv2+ and LGPLv2+ with exceptions and GPLv2+ and GPLv2+ with exceptions and BSD and Inner-Net-2.0 and ISC and Public Domain and GFDL-1.3-only
The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational facilities as open, read, write, malloc, printf, getaddrinfo, dlopen, pthread_create, crypt, login, exit and more.
acquired package info from repodata DB: repodata/e30d7685744a7c83e00e34883b4caa13098c6dd4580c70b9313f50e8b8c0aee4-primary.sqlite.bz2
Zlib is a free, general-purpose, not covered by any patents, lossless data-compression library for use on virtually any computer hardware and operating system. The zlib data format is itself portable across platforms.
Library for embedding GCC inside programs and libraries
This package contains shared library with GCC JIT front-end.
Various compilers (C, C++, Objective-C, ...)
The gcc package contains the GNU Compiler Collection version 12. You'll need this package in order to compile C code.