C Language

Reference

1. Learning C FAQ, (HTML version)
2. C Library Reference on the web

Tutorials

1. Steve Summit's class notes for the C courses he teaches.
2. Ted Jensen's tutorial on pointers and arrays in C
3. http://members.xoom.com/tomtorfs/cintro.html. Tom Torfs has written an excellent, complete tutorial, meant to complement a good introduction to C. It's not primarily intended for the complete beginner to the language, though.
4. Beej's Guide to Network Programming: Using Internet Sockets
5. Beej's Guide to Unix Interprocess Communication

Newsgroups

1. comp.lang.c
2. comp.lang.c.moderated

Related

1. gnu.gcc, the GNU C compiler
2. comp.unix.programmer, general programming
3. comp.programming. Algorithms for general programming
4. http://www.accu.org/ The Association of C and C++ Users