string & if statement

This is a basic question so here goes. I'm trying to perform a logic operation on a string (an if statement on a persons name). I've tried with quotation marks "if (name == "Joe")" and with apostrophes "if (name == 'Joe')" but neither seems to work. Name is declared as "char name[25]." The statement with quotation marks it thinks even if I type the name right it is false. With apostrophes I get a "warning: multi-character character constant" error. Since I don't know anything I don't know where to start looking for answers. I've tried getting the string with "cin" and "cin.getline" but both give the same results. Also is there a way to make this statement not caps sensative, so "joe", "Joe", or "JOe" all end up being true in the statement?

look up strcmp().

Quote:

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Originally Posted by curacao

Also is there a way to make this statement not caps sensative, so "joe", "Joe", or "JOe" all end up being true in the statement?

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yes, use toupper or tolower (i think its tolower, but i know toupper is right)
example:

Code:

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char name[25];
cin.getline(name,25);
if (name (toupper) == "JOE")
{
  cout <<"your name is joe";
}

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please excuse my syntax on toupper, i havent used it in a while and i think i may have messed up. im sure someone will correct if i am wrong

or you could just do what alpha said....

and btw, wut did i do wrong with the quote tag?

Quote:

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Originally posted by Geo-Fry

please excuse my syntax on toupper, i havent used it in a while and i think i may have messed up. im sure someone will correct if i am wrong


and btw, wut did i do wrong with the quote tag?

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you did mess it up, it's supposed to be used in a for loop since it takes one character, and this is a char array.

i.e.

Code:

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int i;
for(i=0; i < SIZE; i++) {
  name[i] = tolower(name[i]);
  //you could also use toupper
  // name[i] = toupper(name[i]);
}

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tolower() and toupper() are in cctype.

I think there may be one that does the whole string, not sure.

Using a string object might be helpful...

Code:

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#include <iostream>
#include <string>

using namespace std;

int main() {

        string name;

        getline(cin, name);

        if(name == "Joe")
                cout <<"My name is Joe too! (ok, not really)" <<endl;
}

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