(glibc) The run-time library for the GNU Ccompiler, gcc, and others. glibc is the source code for libc.a. It is maintained separately from the compilers and is a superset of ANSI C and POSIX.1 and a large subset of POSIX.2. Current version: 2.1.3, as of 2000-04-29 Start . Mailing list: (bugs). (2000-05-31)