isSignature
Determines if a given string is a valid D-Bus type signature. You should ensure that a string is a valid D-Bus type signature before passing it to g_variant_new_signature().
D-Bus type signatures consist of zero or more definite #GVariantType strings in sequence.
Return
true if @string is a D-Bus type signature
Since
2.24
Parameters
string
a normal C nul-terminated string