/* find the character position of a character in another string */
pos(cWhat[],cWhere[],nStart=0) {

	new j=0;
	new nLen = strlen(cWhere);
	new result=nLen;
	
	for (j=nStart;j<nLen;j++) {
		if (cWhere[j] == cWhat[0]) {
  			result = j;
		  	break;
		}
	}
	return result;
}