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Converting a Hexadecimal String to int

Converting a Hexadecimal String to int

Suppose you need to convert a string containing a hexadecimal value to int. Although you can use a std::stringstream object for this purpose, it’s worth noting that good old C stdio can perform this conversion just as well. The sscanf() function takes a string containing the hexadecimal value, a format string, and a variable list of pointers to which the results are written. For example:

 char port_address[]=

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