#include<stdio.h>staticvoiddisplayMessage(){printf("This is a static function.\n");}intmain(){displayMessage();// 调用静态函数return0;} 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 3.静态全局变量的例子: #include<stdio.h>staticintcount=0;// 静态全局变量voidincrement(){count++;printf("Co...
#include <stdio.h> static int globalStaticVar; // 定义全局静态变量 void function1() { globalStaticVar = 10; // 在函数中访问和修改全局静态变量 } void function2() { printf("globalStaticVar: %d\n", globalStaticVar); // 在函数中访问全局静态变量 } int main() { function1(); function2...
// 在文件作用域内声明的静态全局变量static int globalStaticVar = 10;int main() {// 可以访问静态全局变量 printf("Global static variable: %d\n", globalStaticVar);return 0;} 3.静态函数：使用'static'关键字声明的函数是静态函数。静态函数具有以下特性：· 可见性：静态函数的作用域限于声明它们的...
util_func(100); // 调用main.c中的static函数,编译报错 #endif } 当test_func中的if-0打开后,根据我们上面的理论分析,肯定是编译不过的,如下: test_static$ gcc -o test *.c /usr/bin/ld: /tmp/ccawkyDR.o: in functiontest_func': test.c:(.text+0xa): undefined reference tol_count' /usr...
}staticvoidbar() { }inti =1;staticintj =2; 将两个文件一起编译 gcc test_static1.c test_static2.c -o test_static 编译器会提示: /tmp/ccuerF9V.o: In function `foo':test_static2.c:(.text+0x0): multiple definition of `foo'/tmp/cc9qncdw.o:test_static1.c:(.text+0x0): first...
Inside a function: global variable but visible only within the function (C++) Inside a class: global variable but visible only to the class Now let's see what the C11 standard says regardingstaticandextern(emphasis mine): 6.2.2.3 If the declaration of a file scope identifier for an object ...
printf("Updated Value: %d\n", globalVar); // 输出 Updated Value: 15 return 0; } ``` 3. 静态函数: ```c #include <stdio.h> static void staticFunction() { printf("This is a static function.\n"); } int main() { staticFunction(); // 输出 This is a static function. return ...
static __inline__ int tas(volatile slock_t *lock) { register slock_t _res = 1; __asm__ __volatile__( " lock \n" " xchgb %0,%1 \n" :"+q"(_res),"+m"(*lock) : /* no inputs */ :"memory","cc"); return(int) _res; ...
/* functiondeclaration*/ voidfunc(void); staticint count = 5; /* global variable */ Int main { while(count--) { func; return 0; } return 0; } /* function definition */ void func( void ) { static int i = 5; /* localstaticvariable */ ...
一.static in C 1.默认初始化为0: 如果不显式地对静态变量进行初始化,它们将被初始化为0。 static变量存放在Global/Static(全局区/静态区)。在静态数据区,内存中所有的字节默认值都是0x00,所以在程序一开始时static声明的变量会被默认初始化为0。