#include <stdio.h>
#include <string.h>

int main ()
{
	char str[] = "Hello, world";
	char delim[] = "ow";
	char * pch = strtok (str,delim); 
 
	while (pch != NULL)
	{
		printf("%s", pch);
		pch = strtok (NULL, delim);
	}
  return 0;
}