GNU C Library(glibc) The {run-time} library for the {GNU C} {compiler}, {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 {Home (http://www.gnu.org/glibc)}. Mailing list: (bugs). (2000-05-31)