Nick: heijligen
E-mail: none
Board: unknown
Contents: 
struct programmer_init_data_ch341a_spi {};
struct programmer_init_data_dediprog {};

union programmer_init_data {
        struct programmer_init_data_ch341a_spi;
        struct programmer_init_data_dediprog;
};

struct programmer_entry {
        const char *const name;
        int (*init)(union programmer_init_data init_data);
        int (*parse_params)(union programmer_init_data *init_data, char* parameter);
        ...
};

struct programmer_table[];
size_t programmer_table_size;

int programmer_init(const char *const name, const char *const parameter)
{
        for (size_t i = 0; i < programmer_table_size; i++) {
                if (!strcmp(programmer_table[i].name, name) {
                        union programmer_init_data init_data;
                        programmer_table[i].parse_params(&init_data, parameter);       
                        programmer_table[i].init(init_data);       
                        return 0; // init done
                }
        }
        return -1; //no programmer found
}