![]() See, too, the description of strtol's sister functions ( strtod, strtoul, etc.). This function should be, of course, customized to your needs (are leading spaces an error? etc.). You can use two functions defined in winsock2.h on windows, in netdb.h on Linux WSAStringToAddressA(For converting a string to an address) WSAAddressToStringA(For converting an address to a string) Best thing about these two functions is that they work for every address family. The first tests are there to eliminate corner cases (leading spaces, empty string, etc.). I am trying to convert string element to integer using stoi function in C++11 and using it as parameter to pow function, like this: include include includeMy reasoning is that if p is not set to the end of the string (the 0 character), then there is a non-integer character in the string s, meaning s is not a correct integer. ![]() If you provide p (as I did above), it sets p right at this first non-integer character. Overview Original Author: Rama Below are conversions for the following types: 1. Strtol will parse the string, stopping at the first character that cannot be considered part of an integer. Strtol seems quite raw at first glance, so an explanation will make the code simpler to read : Adding Numbers and Strings int x 10 int y 20 int z x + y // z will be 30 (an integer) 10 20 string z x + y // z will be 1020 (a string).
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