cppStrBasics

#include <iostream>

int strLen(const char* str)
{
    int len{ 0 };
    for (; *str++; ++len);
    //while (*str++) len++;
    return len;
}

char* strCpy(const char* src, char* dest)
{
    auto destOrig{ dest };

    while (*dest++ = *src++);

    return destOrig;
}

char* strNCpy(const char* src, int maxDest, char* dest)
{
    auto destOrig{ dest };

    while ((--maxDest or *src) and (*dest++ = *src++));

    if (!maxDest) { *dest = '\0'; }

    return destOrig;
}

int main()
{
    //char str[20]{ 'H','e','l','l','o','!' };
    //char str[]{ "Hello!" };
    char str[20]{ "Hello!" }; // char* const str

    char* dynStr{ new char[300] };
    //int* dynArr{ new int[20]{1,2,3,4,5,6,7,8} }

    //dynStr = str;
    std::cout << "dynStr = " << strNCpy(str, 300, dynStr) << '\n';
    str[0] = 'Z';
    //str = dynStr;


    std::cout << "str = " << str << '\n';

    std::cout << "str length is: " << strLen(dynStr) << '\n';

    return 0;
}