GCC笔记

结构体变量初始化方式：

typedef struct cc {
    int a;
    int b;
} A;
int main(void) {

       A a={.a=4,
        .b=9};
    printf("%d",a.a);
}

CTRL+O 查找函数

CTRL+SHIFT+F 编排代码格式

unsigned char is 8 bit

signed char is 8 bit

unsigned short is 16 bit

signed short is 16 bit

unsigned int is 32 bit

signed int is 32 bit

float fp32 is 32 bit

double fp64 is 64 bit

unsigned long is 32 bit

long is 32 bit

long long is 64 bit