I want to know how to get number to string without standard C or C++ functions, for example:
char str[20]; int num = 1234; // How to convert that number to strin
To get the lowest digit, use num % 10. To convert a digit to a character, add '0'. To remove the lowest digit after you've handled it, divide by 10: num /= 10;. Repeat until done.
num % 10
'0'
num /= 10;