int 0x80



gorlist@int0x80:~$ cat news.txt

gnu89
I had an argument about whether gcc uses c89 or gnu89 by default.

Quoting gcc's manpage:
-std=
Determine the language standard. This option is currently only
supported when compiling C or C++. A value for this option must be
provided; possible values are

c89
iso9899:1990
ISO C90 (same as -ansi).

iso9899:199409
ISO C90 as modified in amendment 1.

c99
c9x
iso9899:1999
iso9899:199x
ISO C99. Note that this standard is not yet fully supported;
see for more infor-
mation. The names c9x and iso9899:199x are deprecated.

gnu89
Default, ISO C90 plus GNU extensions (including some C99 fea-
tures).

gnu99
gnu9x
ISO C99 plus GNU extensions. When ISO C99 is fully implemented
in GCC, this will become the default. The name gnu9x is depre-
cated.

The GNU extensions for the C programming language can be found here:
http://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html#C-Extensions
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Posted on 18 Dec 2007 by gorlist


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