Recommend several online C / C resources 1, Standard C, including basic syntax definitions, library function reference http://www-cs.ucsd.edu/c/ or the c library reference guide http: //www.acm .uok / c_guide / 2, The unix programming environment http://www.iu.hio.no/~mark/unix/unix_toc.html or the art of unixprogramming http: //www.catb .org / ~ ESR / WRITIS / TAOUP / HTML / 3, Standard C Library Home Page http://www.ccd.bnl.gov/bcf/cluster/pgi/pgc _lib/stdlib.htm 4, The c book http://publications.gbdirect.co.uk/c_book/ 5, Software Engineering aka Programming http://users.erols.com/blilly/programming/ 6, How to Design Programs: An Introduction to Computing and Programming http: / /www.htdp.org/2002-05-09/book/curriculum.html 7, c elements of style http://www.oualline.com/style/ book recommendation (in fact, I don't need me again, listed here Forget) "The C Programming Language", the photocopy version is not available, you can buy Chinese version. "The C Programming Language" "C Language Reference Manual", the photocopy version is just out. "Unix Environment Advanced Programming", the photocopy, Chinese version has. "The Practice Of Programming", the photocopy, the Chinese version has. Supplement: 1, The Open Group Base Specifications Issue 6, IEEE STD 1003.1, 2003 Edition http://www.opengroup.org/onlinepubs/007904975/toc.htm 2, c Faq http://www.eskimo.com/~ SCS / C-FAQ / TOP.HTML 3, C FAQ Lite, full version of the book electronic version can find http://www.parashift.com/c -faq-lite///- -------------------------------------------------- ----------------------------- The Open Group Base Specifications Issue 6, IEEE STD 1003.1, 2003 Edition http://www.opengroup .org / onlinepubs / 007904975 / TOC.HTM suggests everyone to see this, even if it is necessary ~ // --------------------------- ---------------------- Requirements for good books to join www.itebook.net. There are a lot of good things on its P2P server, although it is just a few parties that can be provided by its forum.