#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <ctype.h> // toupper(), tolower()

void ToUpper(char* str)
{

}

void ToLower(char* str)
{

}

void UpdateString(char* str, int (*pf)(int))
{

}

int main()
{
	char str[] = "Hello, World!";

	//void (*pf)(char*);



	/*
		passing function pointers to functions
	*/



	
	//Note: __cdecl is function calling convention

	return 0;
}