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#include <iostream> #include <cstring> void reverse_c_str(char *c) { if(*c) { for(auto begin = c, end = c + std::strlen(c) - 1; begin < end; ++begin, --end ) { std::swap(*begin, *end); } } } int main() { char c[] { "my string" }; reverse_c_str(c); std::cout<<c << std::endl; return 0; }

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