Returns a string that is the concatenation of multiple strings
(strcat [string [string] ...])
Arguments
A string.
Return Values
A string. If no arguments are supplied, strcat returns a zero-length string.
Examples
Command: (strcat "a" "bout")
"about"
Command: (strcat "a" "b" "c")
"abc"
Command: (strcat "a" "" "c")
"ac"
Command: (strcat)
""