Access C_char_p_array_256 In Python Using Ctypes

I have a native python bridge to some C code, which returns a pointer to an array (array of structs). The struct contains some character arrays (strings). But how can I get from a

Solution 1:

The type should be c_char*256, not c_char_p*256, because it's a char[256], not a char *[256].

string_at(theGroupName, sizeof(theGroupName))