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C unsigned int and int

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unsigned int a=20;
signed int b=-130;
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unsigned int a=20;
signed int b=-130;
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Èç¹û×÷Ϊsigned intÐÍÊý¾ÝµÄb=-130£¬bÓëÁ¢¼´ÊýÖ®¼ä²Ù×÷ʱ²»Ó°ÏìbµÄÀàÐÍ£¬ÔËËã½á¹ûÈÔȻΪsigned intÐÍ£º
signed int b=-130;
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include
include

define UNSIGNED_SHORT_LT(a , b) (((unsigned short) (((unsigned short) a) - ((unsigned short) b))) > (unsigned short) 0x7fff)
define UNSIGNED_COMP_LT(a , b) ((unsigned int) (((unsigned int) a) - ((unsigned int) b)))

typedef struct test_node {
int num;
struct test_node *next;
} test_node_t;

test_node_t *head;
test_node_t *tail;

void build_link(int num)
{
if (head == NULL) {
test_node_t *tmp = (test_node_t *)malloc(sizeof(test_node_t));
tmp->num = num;
tmp->next = NULL;
head = tail = tmp;
} else {
test_node_t *tmp_add = (test_node_t *)malloc(sizeof(test_node_t));
tmp_add->num = num;
tmp_add->next = NULL;
tail->next = tmp_add;
tail = tmp_add;
}
}

void print_link()
{
test_node_t *p = head;
for (p = head; p; p = p->next)
printf("the %d node address:%x, head:%x, tail:%x\n", p->num, p, head, tail);
}

void clear_link()
{
test_node_t *p = head;

while (p) {
test_node_t *tmp = p;
p = p->next;
printf("free %d node, tmp:%x, p:%x, head:%x, tail:%x\n", tmp->num, tmp, p


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C ѧϰ±Ê¼Ç£º ÒÆÎ»²Ù×÷Á·Ï°¡£

#include <stdio.h>
unsigned int reverse_bits(unsigned int value)
{
    unsigned int answer;
    unsigned int i;
    answer = 0;
   
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+
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{
    @synchronized(self)
 {
        
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