sizeof 计算发生在编译时

//----------------------------------------------------

//AUTHOR: lanyang123456

//DATE: 2014-10-28

//---------------------------------------------------

/*
sizeof 
编译时计算空间

*/

#include <stdio.h>
#include <stdlib.h>


int main()
{
	char buffer[sizeof("sizeof")] = "sizeof";

	printf("buffer array = %s\n", buffer);
	return 0;
}

/*
$ gcc -o sizeof sizeof.c
$ ./sizeof
buffer array = sizeof


*/