parse int c++ code example

Example 1: c++ parse int

std::string s = "10";
int i = std::stoi(s);

Example 2: c++ string to int

atoi( str.c_str() )

Example 3: string to int c++

// Both functions work identically though you'll need to use "#include <string>" 
atoi( str.c_str() );
stoi( str );