Compare chatacter to another?

i feel like such an amature again... what i'm trying to accomplish is to find the preriods in an ip address.

Code:

---

#include<string.h>
#include<iostream.h>
#include<conio.h>

void main()
{
        void return_class(char ip[]);
        char ip[] = {"155.25.54.1"};
        return_class(ip);


}
void return_class(char ip[])
{
        int sLength;
        char firstoctet[4];

        // get string length
        sLength = strlen(ip);
       
        // loop character array retrieving all characters the
        // preceed the first period character

        for(int x = 0; x < sLength; x++)
                if(ip[x] == ".")
                        cout<<"period"<<endl;
        getch();
}

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i've also try tried the strcmp() functioins but all i get is cannot covert from char to char*

Code:

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if(strcmp(ip[x], ".") == 0)

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no go there! how can i loop through a character array and compare that character with another?

Thank, (so frustrating, when its so simple in vb)

Regan

Code:

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char *s = ip;
for(int x = 0; x < sLength; x++)
                if( *s== '.') cout<<"period"<<endl;

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The loop isn't endless merely 'pointer-less'

:rolleyes:

alright, but you test the same character all the time...