Archive-name: C-faq/toc
Comp-lang-c-archive-name: C-FAQ-list.toc
URL: http://www.eskimo.com/~scs/C-faq/top.html

[Last modified July 3, 2004 by scs.]

This article is a table of contents for the comp.lang.c frequently-asked
questions (FAQ) list, listing the questions which the abridged and full
versions of the FAQ list answer. (Both lists answer all questions; the
wordings of the questions in this article are taken from the abridged
list.)

If you have only just come across this article, you will naturally be
wondering where the lists which it indexes can be found. The unabridged
version is normally posted to comp.lang.c on the first of...

Archive-name: C-faq/toc
Comp-lang-c-archive-name: C-FAQ-list.toc
URL: http://www.eskimo.com/~scs/C-faq/top.html

[Last modified July 3, 2004 by scs.]

This article is a table of contents for the comp.lang.c frequently-asked
questions (FAQ) list, listing the questions which the abridged and full
versions of the FAQ list answer. (Both lists answer all questions; the
wordings of the questions in this article are taken from the abridged
list.)

If you have only just come across this article, you will naturally be
wondering where the lists which it indexes can be found. The unabridged
version is normally posted to comp.lang.c on the first of...

I was wondering the best way to define and loop through a character
array. Most lines of the file I am processing are 80 characters long
but when an error occurs in the client which created the log sometimes
they can be much longer so what's the best way to determine the array
and define it?

char s[80];

vs

#define MAX 100
char s[MAX];

and

int i;
for (i=0; i < sizeof(s); i++) { printf("%%s", s[i]);)

I can read each line of my log file using fgets, now should I use
fixed arrays like:

char s[80];
FILE *fp;

fp = fopen("foo.txt","r");
fgets(s,sizeof(s),fp);

Hi,

I am writing a log parser (beginner in C) and have some questions.

There are 2 types of log files which are very similar:

Type 1:
117: SYSTEM->P0 Welcome to the server
444: Z1->P0 Greetings
812: SYSTEM->EVERYONE "Chumly" (P0) was kill #5 for "Dragon
Master" (Z1)
954: P0->TEAMORANGE Help me!

Type 2:
Welcome aboard Chumly! 00:03:40
00:03:41: Qualax-5->TEAMORANGE Qualax-5 destroyed by "Dragon
Master" (Z1)
Blaster missed!!! 00:03:53
00:04:06: P0->TEAMPURPLE Help Needed at Zorcon-8

So in Type 1 there is always an integar indicating relative time
prefixing every line and in Type 2 there is always a 24-hour style
timestamp but sometimes it is prefixed and other times suffixed.

Can anyone tell me the different between
(1)
int i, j;
i = j ==1;
cout << i;
cout << j;

and
(2)
int i, j;
i = j = 1;
cout << i;
cout << j;

Why the result of (1) is

0 0

while the result of (2) is

1 1

Hi all,

Some time ago, I got hit with this problem on a game-programming
test, and it's bugged me ever since:

The program has 2 inputs:

1 32-bit integer, called result
1 input string of digits

The algorithm calls to construct an arithmetic expression string from
the input string so that it evaluates to the result value, by
inserting '+' and '*'

example:

input 1 = 44550
input 2 = "8888225"

algorithm spits out: "8888+22*5"

the algorithm spits out "" if no arithmetic expression can "fit" input
2 with input 1

best approach i could come up with is a brute-force method...any math-
heads know a better approach to this?
my number theory is rusty lol

In article plethora.net> you write:

Always cut-and-paste programs and output, instead of retyping them.

Your output is in fact "255l", with a lower-case L at the end, not
a one. You probably meant %%lu. And are you sure that 0xFFFFFFFF & 0xFF
is an unsigned long on your platform?

On 4 Sep, 18:13, ta0k...@yahoo.com wrote:

On 4 Sep, 18:13, Ark Khasin macroexpressions.com> wrote:

Thanks, this is just the sort of thing I was looking for. I think it
should be mentioned in the FAQ.

Replies should always be to the newsgroup, not by email. Besides, if
that email worked it would be harvested by scumbags and deluged by
spam.

-Andrew Marlow

I've recently begun learning to program in C. I wrote this program
(file name c3.c):

main()
{
int count;
puts("Please enter a number: ");
scanf("%%d",&count);
printf("The number is %%d",count);
}

When I gave command gcc c3.c, I got the following warnings:

c3.c: In function 'main':
c3.c:5: warning: incompatible implicit declaration of built-in
function 'scanf'
c3.c:6: warning: incompatible implicit declaration of built-in
function 'printf'

but the file still compiled and gave the expected results.