#include <iostream>
#include <algorithm>
#include <cstring>

void erase_element(char *ptr, char erasechar)
{
   char *ptrStart = std::remove(ptr, ptr + strlen(ptr), erasechar);
   *ptrStart = '\0';  // null terminate this position
}

int main()
{
	char letters[] = "aabbccbccd";
	erase_element(letters, 'b');
	std::cout << letters;
}