Name	init_sig
Definition	init_sig:overloaded. init_sig(s:var(sig(T:type)),name:val(string)):expr(void). init_sig(s:var(sig(T:type))):expr(void).
Example	init_sig(S1,"S1")
Defined in	signals.l
Implementation	lard
Description	All signals must be initialised by this function before they are used. If the second form of the function is used a name is given as the second argument which is passed to the signals module in the run-time environment so that the signal can be made visible in the time viewer.