2 strcat - concatenate strings
13 strcat(x1, x2, ...) forms a string starting with a copy of
14 x1, followed by the characters in order of x2, etc. The
15 length of the resulting string will be the sum of the lengths
16 of the component strings.
19 > A = "abc"; B = "XY"; C = " ";
20 > print strcat(A, B, C, B, A)
24 The number of arguments may not to exceed 100.