#include #include #include #define SYS_CALL_NUM 463 int main(int argc, char **argv) { if (argc < 3) exit(-1); int a = atoi(argv[1]), b = atoi(argv[2]); long c, res = syscall(SYS_CALL_NUM, a, b, &c); printf("%d * %d = %ld\n", a, b, c); exit(res); }