concat
The concat function concatenates a specified number of characters from one string onto the end of another string.
Syntax
Use this syntax:
concat(string,string,num_char);
where: string = string variable
num_char = number of characters from the second string onto the
end of the first string
Example
An example of this function follows:
string[10] s1,s2;
concat(s1,s2,5);
//Concatenate five characters from string "s2" onto the end of string
//"s1"