problems with atof


I am having problems with atof().  Here is a code snippet:

getline(cin, sRate);
record[i].rate = atof(sRate);

I need to convert the input sRate to an element of the struct employee that is in the array record[].  When I try to covert the input to a float using atof() I get the following error:

error: cannot convert 'std::string' to 'const char*' for argument'1' to double atof(const char*)

I am at a loss, so any help is greatly appreciated.  I can post more code if needed.  For reference here are my includes:

#include <iostream>
#include <iomanip>
#include <string>
#include <math.h>
#include <stdlib.h>

Thank you very much for your help,
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record[i].rate = atof(sRate.c_str());

good luck :)

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bnblazerAuthor Commented:
Ah yes - thank you!
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