itczl22

#include<stdio.h>

void foo(void) {
    int tmp;
    printf("%d\n", tmp);
    tmp = 999;
}

int main() {
    foo();          // 0

itczl22

#include<stdio.h>

int main() {
    char ch = 8;        // 1 + 3
    int it = 9;         // 4 + 4
    int* ptr = &it;     // 8
    printf("%p\n%p\n%p\n\n", &ch, &it, &ptr);

    typedef struct {
        short sit;      // 2 + 6

itczl22

#include <stdio.h>

int main(void) {
    // 储存方式的判断
    unsigned int a = 0x12345678;
    const char* buf = (char*)&a;
    printf("%x\n%x\n", buf[0], buf[3]);
    // 78 12, 所以是小端存储

    const char* str = "12345678";

itczl22

#!/bin/bash

TMP=`pwd`/go-cmd-`date +%s`
GOX=src/golang.org/x

mkdir -p $TMP/$GOX
cd $TMP/$GOX

git clone https://github.com/golang/tools.git
git clone https://github.com/golang/net.git