int sub_sel; int sub_ret; sub_sel = 13; switch(sub_sel) { case 0: sub_ret = sub0(); break; case 1: sub_ret = sub1(); break; case 2: sub_ret = sub2(); break; case 3: sub_ret = sub3(); break; case 4: sub_ret = sub4(); break; case 5: sub_ret = sub5(); break; case 6: sub_ret = sub6(); break; case 7: sub_ret = sub7(); break; case 8: sub_ret = sub8(); break; case 9: sub_ret = sub9(); break; case 10: sub_ret = sub10(); break; case 11: sub_ret = sub11(); break; case 12: sub_ret = sub12(); break; case 13: sub_ret = sub13(); break; case 14: sub_ret = sub14(); break; case 15: sub_ret = sub15(); break; }