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#include <vector>
#include <string>
#include <iterator>
#include <iostream>
 
std::vector<char *> fabricate(std::vector<std::string> & v)
{
    std::vector<char *> res(v.size() + 1, NULL);
    for (std::size_t i = 0; i != v.size(); ++i) { res[i] = &v[i][0]); }
    return res;
}
 
std::vector<std::string> args_vector((std::istream_iterator<std::string>(std::cin)), std::istream_iterator<std::string>());
 
std::vector<char *> argv_vector = fabricate(args_vector);
 
 
int main(int argc, char * argv[])
{
    argc = args_vector.size();
    argv = argv_vector.data();
 
    // ...
}

prog.cpp: In function ‘std::vector<char*, std::allocator<char*> > fabricate(std::vector<std::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&)’:
prog.cpp:9: error: expected `;' before ‘)’ token

Standard output is empty