char convert to lower case c++ code example
Example 1: convert characters to lowercase c++
str[i] = tolower(str[i]);
Example 2: convert from uppercase to lowercase c++
int i = 0;
while(str[i])
{
if(str[i] == std::toupper(str[i]) && std::isalpha(str[i]) == 1024)
str[i]+= 32;
++i;
}