Re: D�mi 2 aftur -- SkilaboÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°askjÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ³ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°a TÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ¶lvunarfrÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ¦ÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂÃÂ°i 2

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Date Posted: 05:49:00 04/26/02 Fri
Author: Hj�lmt�r
Subject: Re: D�mi 2 aftur
In reply to: Feiti 's message, "D�mi 2 aftur" on 04:47:21 04/26/02 Fri

>G�tir�u gefi� svari� vi� d�mi 2 � haust 2001 pr�finu.
>M�r finnst s�rstaklega erfitt a� �tta mig � hvernig �
>a� setja strenginn sem kemur inn inn� n�ja char*
>vektorinn og �� hvernig � a� bera saman char* vektora.
> Er einhver �nnur lei� en a� taka einn og einn staf �r
>String � einu og setja � char* vektorinn og bera s��an
>einn og einn staf �r char* vektornum saman � einu til
>a� vita hvor er framar � stafr�finu?

�g vil helst ekki gefa heilu sv�rin. �i� gr��i� miklu meira � �v� a� reyna vi� d�min sj�lf. �etta d�mi kemur
ekki aftur � pr�f!

Strengir � C++ eru vektorar af char, �annig a� � raun �arf a� afrita staf fyrir staf og bera saman staf fyrir staf.
�a� eru hins vegar nokkur f�ll sem gera �essa hluti fyrir �ig. �au eru �ll � string.h (nota #include<string.h>).
Til d�mis falli� strcpy(a, b), sem afritar stafina � strengnum (�.e. char vektornum) b yfir � strenginn a.
�� arf a a� vera char vektor, �.e. me� �thluta� minnispl�ss.
Falli� strcmp(a, b) ber saman strengina a og b. Skilagildi� er < 0 ef a er framar � stafr�finu en b, = 0 ef �eir eru eins og > 0 ef b er framar.
�� getur flett upp� �llum �essum f�llum � hj�lpinni � Visual C++.

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