typdef struct FunctionInfo
{
    char *name;
    FunctionTypes type;
    [sometype] address;
}FuctionInfo;

enum FunctionTypes
{
    FUNCTION_AMX, //some misc func which is executed using ExecuteAmxFunction
    FUNCTION_PLUGIN, //function is in my code
    FUNCTION_STD_LOGICAL, //equal_to, greater, less, etc.
};

FunctionType functions[] =
{
    {"asdasdad", FUNCTION_AMX, 0x480}, //ExecuteAmx understands 0x480
    {"equal_to", FUNCTION_STD_LOGICAL, equal_to<int>()},
    {"bla", FUNCTION_PLUGIN, FunctionInMyCode}
};

int ExecuteAmxFunction(int address, int params[], param_count)
{
    .....
}

cell AMX_NATIVE_CALL algo_lts(AMX* amx, cell* params)
{
     //bla bla bla
     switch(params[2])
     {
        case FUNCTION_AMX:
                while(start != end)
                {
                    [bla bla bla]
                    if(ExecuteAmxFunction(functions[params[3]].address, some_array, array_size)) return false;
                }
                return true;
        case FUNCTION_STD_LOGICAL:
            std_lib_func(bla, bla, bla, functions[params[3]].address);

      }
}