[Ilugc] C coding tricks on UNIX
- From: siddhesh.poyarekar@xxxxxxxxx (Siddhesh Poyarekar)
- Date: Wed, 27 Jun 2012 12:11:51 +0530
On 26 June 2012 21:05, Girish Venkatachalam
<girishvenkatachalam at gmail.com> wrote:
What I like most about C is its economy of expression.
Like Sanskrit. You say what you want to say in minimum words.
Wrong. You will typically spend more lines/words writing a C program
than for an equivalent program in any other higher level programming
language.
And it has no library. The libc that you definitely need without which the
OS cannot run(as most applications are dynamically linked) ?is very
very small.
Wrong. libc *is* a library and it is definitely not small -- it's 2 MB
on my F16.
And you have many macros in header files and header file inclusion order
counts.
If header inclusion order counts for you then you're doing something wrong.
In C, the library that comes bundled allows few string functions, few
OS routines and
?few math functions. That is mostly it.
Wrong. name resolution services (nss/nis), syscall wrapping,
locale/iconv support, dynamic memory allocation, I/O, all form part of
the core libc library. Apart from that you have multithreading using
pthreads, dns resolution using libresolv, the dynamic linker, dynamic
dso loading in libdl, name service caching using nscd, math functions
in libm -- all of them part of the GNU libc package.
--
Siddhesh
http://siddhesh.in
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