12-11-2008
Concept of link count in linux
Hi All,
Please explain me the concept of link counts when you try to view the contents of any file or directory using ls command.
-sh-3.00$ ls -lrt
total 194
drwxr-xr-x 2 root root 4096 Aug 12 2004 srv
drwxr-xr-x 2 root root 4096 Aug 12 2004 mnt
drwxr-xr-x 2 root root 4096 Aug 12 2004 initrd
drwxr-xr-x 2 root root 4096 Aug 12 2004 home
drwxr-xr-x 2 root root 4096 Aug 24 2005 misc
drwx------ 2 root root 16384 Jun 26 2006 lost+found
drwxr-xr-x 2 root root 4096 Jun 26 2006 selinux
drwxr-xr-x 2 root root 4096 Jun 26 2006 post
drwxr-xr-x 4 root root 1024 Jun 26 2006 boot
drwxr-xr-x 28 root root 4096 Nov 2 2006 var
drwxr-xr-x 18 root root 4096 Feb 15 2008 usr
drwxr-xr-x 12 mqm mqm 4096 Sep 26 12:58 mqm
drwxr-xr-x 35 root root 4096 Nov 20 19:42 opt
dr-xr-xr-x 8570 root root 0 Nov 23 13:53 proc
drwxr-xr-x 9 root root 0 Nov 23 13:53 sys
drwxr-xr-x 9 root root 6100 Nov 23 13:57 dev
drwxr-xr-x 4 root root 4096 Nov 23 13:57 media
drwxr-xr-x 2 root root 4096 Dec 7 04:23 bin
drwxr-xr-x 10 root root 4096 Dec 7 04:23 lib
drwxr-xr-x 2 root root 12288 Dec 7 04:23 sbin
drwxr-x--- 3 root root 4096 Dec 10 04:15 root
drwxr-xr-x 61 root root 12288 Dec 11 04:02 etc
drwxrwxrwt 7 root root 4096 Dec 11 12:24 tmp
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LEARN ABOUT DEBIAN
load_dat_font
load_dat_font(3alleg4) Allegro manual load_dat_font(3alleg4)
NAME
load_dat_font - Loads a FONT from an Allegro datafile.
SYNOPSIS
#include <allegro.h>
FONT *load_dat_font(const char *filename, RGB *pal, void *param)
DESCRIPTION
Loads a FONT from an Allegro datafile. You can set param parameter to point to an array that holds two strings that identify the font and
the palette in the datafile by name. The first string in this list is the name of the font. You can pass NULL here to just load the first
font found in the datafile. The second string can be used to specify the name of the palette associated with the font. This is only
returned if the pal parameter is not NULL. If you pass NULL for the name of the palette, the last palette found before the font was found
is returned. You can also pass NULL for param, which is treated as if you had passed NULL for both strings separately. In this case, the
function will simply load the first font it finds from the datafile and the palette that precedes it.
For example, suppose you have a datafile named `fonts.dat' with the following contents:
FONT FONT_1_DATA
FONT FONT_2_DATA
FONT FONT_3_DATA
PAL FONT_1_PALETTE
PAL FONT_2_PALETTE
Then the following code will load FONT_1_DATA as a FONT and return FONT_1_PALETTE as the palette:
FONT *f;
PALETTE pal;
char *names[] = { "FONT_1_DATA", "FONT_1_PALETTE" }
f = load_dat_font("fonts.dat", pal, names);
If instead you want to load the second font, FONT_2, from the datafile, you would use:
FONT *f;
PALETTE pal;
char *names[] = { "FONT_2_DATA", "FONT_2_PALETTE" }
f = load_dat_font("fonts.dat", pal, names);
If you want to load the third font, but not bother with a palette, use:
FONT *f;
char *names[] = { "FONT_3_DATA", NULL }
f = load_dat_font("fonts.dat", NULL, names);
RETURN VALUE
Returns a pointer to the font or NULL on error. Remember that you are responsible for destroying the font when you are finished with it to
avoid memory leaks.
SEE ALSO
register_font_file_type(3alleg4), load_font(3alleg4)
Allegro version 4.4.2 load_dat_font(3alleg4)