Text 144, 47 rader
Skriven 2005-02-02 10:48:44 av Isr Gish (1:261/38)
Ärende: RE: [C] Resetting array pointer to 0
============================================
From: "Isr Gish" <isrgish@fastem.com>

TLewis@mcleodhealth.org"<TLewis@mcleodhealth.org> wrote:
     >I am passing an array to a function by using a pointer.  After some
   >processing in the function, I want to be able to set the counter back to
   >zero, so that I can do other processing.  How can this be done?

I believe you should set a copy of IC and reset IC to the copy after each
iteration of the loop (see below).

[snip...]

   >/* ListRecords function */
   >int ListRecords(struct CardData *IC) {

struct CardData *cpyIC = IC;

   >    char cKey[4];
   >    int iCount = 0;
   >    do {
   >        printf("\nType in list to list");
   >        printf("\nType in exit to exit\n");
   >        gets(cKey);
   >            /* on the second run, IC needs to be set back 0 */
   >        if(strcmp(cKey,"list")==0) {
   >            for(iCount=0;iCount<2;iCount++) {
   >                printf("\n%s",IC->FirstName);
   >                IC++;
   >            } /* end of for */
            IC = cpyIC;
   >        } /* end of IF */
   >     } /* end of DO */
   >
   >     while(strcmp(cKey,"exit") != 0);
   >return 0;
   >} /* End of function */
   >
   >
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