int main(int argc, char *argv)
{
to16 v16_orig, v16_turn1,v16_turn2; /*一个to16类型变量*/
to32 v32_orig, v32_turn1,v32_turn2; /*一个to32类型变量*/
v16_orig.value = 0xabcd; /* 赋值为0xabcd */
v16_turn1.value = htons(v16_orig.value);/*第一次转换*/
v16_turn2.value = ntohs(v16_turn1.value);/*第二次转换*/
v32_orig.value = 0x12345678; /* 赋值为0x12345678 */
v32_turn1.value = htonl(v32_orig.value);/*第一次转换*/
v32_turn2.value = ntohl(v32_turn1.value);/*第二次转换*/
/* 打印结果 */
printf("16 host to network byte order change:\n");
printf("\torig:\t");showvalue(v16_orig.byte, BITS16); /* 16位数值的原始值 */
printf("\t1 times:");showvalue(v16_turn1.byte, BITS16); /* 16位数值的第一次转换后的值 */
printf("\t2 times:");showvalue(v16_turn2.byte, BITS16); /* 16位数值的第二次转换后的值 */
printf("32 host to network byte order change:\n");
printf("\torig:\t");showvalue(v32_orig.byte, BITS32); /* 32位数值的原始值 */
printf("\t1 times:");showvalue(v32_turn1.byte, BITS32); /* 32位数值的第一次转换后的值 */
printf("\t2 times:");showvalue(v32_turn2.byte, BITS32); /* 32位数值的第二次转换后的值 */
return 0;
}
int
hit (hand *h) {
card c = draw();
printf("%s\n", card_name(c));
add(h, c);
showvalue(h, 1);
if (busted(h)) {
printf("[BUST]\n");
return 0;
} else {
return handvalue(h);
}
}
void
show (hand *h, int reveal) {
card *c;
if (clist_length(h->cards) == 0) {
printf("[no cards]\n");
return;
} else {
if (reveal) {
printf(" %s\n", card_name(*h->cards.first));
} else {
printf(" one face down card\n");
}
}
for (c=h->cards.first->next; c!=NULL; c=c->next)
printf(" %s\n", card_name(*c));
showvalue(h, reveal);
if (h->bet > 0)
printf ("Bet: $%0.2f\n", h->bet);
}
