hello-0 CS50 English Basque

hello-0YouTube↗ IA↗(long shot)
Education 141.4K views 0 likes 0 dislikes 22 Oct 2013

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>> SPEAKER 1: Let's take a look at the simplest of programs and see.

>> HIZLARIA 1: Ikus dezagun begirada bat programak errazena eta ikusi.

I've already opened gedit and saved my file as hello zero.c.

Nik dagoeneko ireki gedit eta gordetako nire fitxategia kaixo zero.c. gisa

Let's now recreate it.

Utzi birsortzeko en orain bertan.

Include standardio.h int main void open curly brace and, in advance,

Honakoak standardio.h int void main ireki kizkur giltza eta, aldez aurretik,

closed curly brace, then an indentation, printf, quote, unquote

kizkur giltza itxia, orduan koska bat, printf, aurrekontua, unquote

"hello, world" backslash n close close parenthesis semicolon.

"Kaixo, mundua" backslash n itxi itxi parentesia puntu eta koma.

So what are the salient characteristics of

Beraz, zer dira garrantzizko ezaugarriak

this particular program?

programa jakin hori?

Well, let's start with line one.

Beno, utzi hasiko linea bakoitzak en.

In line one, we have a sharp include statement followed by standard io.h.

Lerro bat, zorrotz bat behar dugu, besteak adierazpen io.h. estandarra jarraian

Well, sharp include simply tells the compiler go include the contents of

Beno, besterik gabe, besteak zorrotz kontatzen du konpiladore go, besteak edukia

the following file right there in my own file.

hurrengo fitxategi eskubidea nire fitxategi propioan han.

What file is that?

Zer fitxategia da hori?

Well, it's a file called standard io.h.

Beno, izeneko fitxategi bat da io.h. estandarra

And inside of that file are so-called declarations of functions that we

Eta fitxategi horren barruan deiturikoak dira funtzioen deklarazioak dugula

might find of interest.

agian interesgarriak aurkitzeko.

In this case, printf happens to be the function that is declared in that

Kasu honetan, printf gertatzen da hori dela deklaratu funtzioa

fitxategi bereizi.

>> Now in line three, we have some additional, new

>> Orain hiru lerroan, dugu batzuk osagarriak, berria

syntax, int, main, void.

sintaxia, int, nagusia, hutsunea.

Well, int refers to the so-called return type of main,

Beno, int deiturikoak aipatzen itzultzeko nagusiak mota,

what value it returns.

zer balio du itzuliko.

For the most part, we can turn a blind eye to this for now.

Gehienetan, biratu ahal izango dugu honetara begi itsu bat oraingoz.

But take on faith that main is by default and implicitly going to

Baina fede on nagusia da lehenetsi eta inplizituki joan

return, so to speak, a value of zero.

itzultzeko, nolabait esateko, zero balio bat.

But more on that another time.

Baina gehiago denbora beste.

>> Meanwhile, the name of this function is, indeed, main.

>> Bien bitartean, honen izena funtzioa da, hain zuzen ere, nagusia.

And that's the default name for any program written in C. And then

Eta hori lehenetsi edozein izen da programa C. idatzitako Eta gero

finally, inside of the parentheses here, we have void, which simply says

azkenik, parentesi barruan hemen, hutsunea dugu, hori besterik ez dio

that this program takes no command line arguments.

programa hori ez hartzen komando lerroko argumentuak.

But let's take a closer look at those another day, as well.

Baina dezagun begirada hurbilago bat horiek beste egun bat, baita.

>> Finally, the most interesting line, of course, is line five.

>> Azkenik, lerro interesgarriena, jakina, lerro bost da.

And that's where we define the essence of this program, which is to print to

Eta hor esentzia definitzen dugu Programa honen, hau da, inprimatzeko

the screen, that is, display hello world.

pantaila, hau da, pantaila kaixo mundua.

Printf is a function.

Printf funtzioa da.

And again, that function is declared in that other file called standard

Eta berriro ere, funtzio hori deklaratu beste izeneko fitxategi estandar horretan

io.h that someone else implemented long ago.

io.h beste norbaitek aspaldi ezarri.

And printf appears to take one argument, so to speak.

Eta printf bat hartzeko aukera agertzen argudioa, nolabait esateko.

Because there is a quoted string, a sequence of characters, in between

Han delako kotizatzen kate bat, bat da karaktere-sekuentzia, tartean

that pair of parentheses, that implies that printf, indeed, does take one

Parentesi-bikotea duten, horrek dakarren printf dela, hain zuzen ere, ez du inork hartu

argument, and that argument is going to influence its behavior.

argudioa, eta argudio hori joan bere portaera eragina izateko.

>> In this case, it's going to instruct printf exactly what to

>> Kasu honetan, nahi agintzeko da joan zehazki zer printf

print on the screen.

pantailan inprimatu.

The semicolon, meanwhile, at the end of this line simply says, that's it

Puntu eta koma, bestalde, amaieran lerro hau dio besterik gabe, hori da

for this statement.

adierazpen hau egiteko.

Guztiak ari naiz egiten.

The fact that on line six we have the closing curly brace means, indeed,

Izan ere, on line sei dugula izan du kizkur giltza bide itxiz, hain zuzen ere,

this program is complete.

programa hau osatu da.

And there we have it, hello world.

Eta hor egon behar dugu, kaixo mundua.

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