struct_test.c

#include <stdio.h>

struct ret
{
  char *id;
  int accel_x;
  int accel_y;
  int accel_z;
  int gyro_x;
  int gyro_y;
  int gyro_z;
};

struct ret ret_init (char *id, int accel_x, int accel_y, int accel_z, int gyro_x, int gyro_y, int gyro_z) {
  struct ret r;
  r.id = id;
  r.accel_x = accel_x;
  r.accel_y = accel_y;
  r.accel_z = accel_z;
  r.gyro_x = gyro_x;
  r.gyro_y = gyro_y;
  r.gyro_z = gyro_z;
  return r;
}

int main()
{
    struct ret ret;

    ret = ret_init("foo", 1, 2, 3, 1, 3, 2);

    printf("%s %d %d %d %d %d %d\n", ret.id, ret.accel_x, ret.accel_y, ret.accel_z, ret.gyro_x, ret.gyro_y, ret.gyro_z);
}