sizeof function

#include #include int main(){ int i; i = 10; printf("i : %d\n",i); printf("sizeof(i++) is: %d\n",sizeof(++i)); printf("i : %d\n",i); return 0;} Result: I: 10 Sizeof (I ++) is: 4I: 10 Sizeof is an operator, but does not calculate

Today, when programming, simply use the following procedure to find the number of elements in a vector container:vectorint> vec; for (int0; i++) { vec.push_back (i);} int sizeof sizeof (int);The program runs as a result of size=4 (sizeof (VEC) =1

Difference between sizeof and strlen in C language, sizeofstrlen in C LanguageDifferences between sizeof and strlen in C LanguageI. Essential differences Sizeof is essentially different from strlen. Sizeof is a single-object operator in C language,

The difference between sizeof and strlen in C languageI. Essential differencessizeof and strlen have an essential difference. sizeof is the C language of a single-eye operator, such as + + 、--, and so on, is not a function, sizeof priority is 2, the

Keywords: sizeof, byte alignment, multi-inheritance, virtual inheritance, member function pointer Forward Declaration:Sizeof, a handsome guy, leads countless cainiao to fold his waist. I didn't make too many mistakes at the beginning, and adhered to

Transferred from w57w57w57csdn blog:Http://blog.csdn.net/w57w57w57/article/details/6626840 This articleArticleI wrote a lot too well, for fear I couldn't find it, so I reprinted it as follows: Abstract: Sizeof is very simple: Evaluate the size

Keywords: sizeof, byte alignment, multi-inheritance, virtual inheritance, member function pointer Forward Declaration: Sizeof, a handsome guy, leads countless cainiao to fold his waist. I didn't make too many mistakes at the beginning, sticking to"I

Tag:Program From: http://rabbitlzx.blogbus.com/logs/2006/03/2094407.html 1. What is sizeof First, let's take a look at the definition of sizeof on msdn: The sizeof keyword gives the amount of storage, in bytes, associated with a variable or a type

Deep Analysis of sizeof () mona1 functions in C Language)Finishing by: Yu Chao EMAIL: yuchao86@gmail.com I. sizeof ConceptSizeof is a type of single object operator in C language, such as other operators ++ and -- in C language. It is not a function.

0. Forward Declaration Sizeof, a handsome guy, leads countless cainiao to fold his waist. I didn't make too many mistakes at the beginning, and adhered to the great idea of "I am one, happy ten million people, I decided to summarize it as much as