Example of C concatenating macros

macros.c

#define AMACROS(id, size) \
static BIN_ATTR_RW(eeprom, size); \
static struct bin_attribute *w1_f ## id ## _bin_attrs[] = { \
 &bin_attr_eeprom, \
 NULL, \
}; \
static const struct attribute_group w1_f ## id ## _group = { \
 .bin_attrs = w1_f ## id ## _bin_attrs, \
}; \
static const struct attribute_group *w1_f ## id ## _groups[] = { \
 &w1_f ## id ## _group, \
 NULL, \
}; \
static struct w1_family_ops w1_f ## id ## _fops = { \
 .groups  = w1_f ## id ## _groups, \
}; \
static struct w1_family w1_family_ ## id = { \
 .fid = W1_EEPROM_DS2431, \
 .fops = &w1_f ## id ## _fops, \
}; \
module_w1_family(w1_family_ ## id);

// usage

AMACROS(2d, W1_F2D_EEPROM_SIZE);

AMACROS(a0, W1_FA0_EEPROM_SIZE);

// output
static BIN_ATTR_RW(eeprom, W1_F2D_EEPROM_SIZE);
static struct bin_attribute *w1_f2d_bin_attrs[] = { &bin_attr_eeprom, NULL, };
static const struct attribute_group w1_f2d_group = { .bin_attrs = w1_f2d_bin_attrs, };
static const struct attribute_group *w1_f2d_groups[] = { &w1_f2d_group, NULL, };
static struct w1_family_ops w1_f2d_fops = { .groups = w1_f2d_groups, };
static struct w1_family w1_family_2d = { .fid = W1_EEPROM_DS2431, .fops = &w1_f2d_fops, };
module_w1_family(w1_family_2d);

static BIN_ATTR_RW(eeprom, W1_FA0_EEPROM_SIZE);
static struct bin_attribute *w1_fa0_bin_attrs[] = { &bin_attr_eeprom, NULL, };
static const struct attribute_group w1_fa0_group = { .bin_attrs = w1_fa0_bin_attrs, };
static const struct attribute_group *w1_fa0_groups[] = { &w1_fa0_group, NULL, };
static struct w1_family_ops w1_fa0_fops = { .groups = w1_fa0_groups, };
static struct w1_family w1_family_a0 = { .fid = W1_EEPROM_DS2431, .fops = &w1_fa0_fops, };
module_w1_family(w1_family_a0);