sizeof function in c

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Explanation of sizeof in C Language eg: int I = 10; printf ("sizeof (I ++) is: % d \ n", sizeof (++ I ));

#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

Difference between sizeof and strlen in C language, sizeofstrlen in C Language

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 problem of C/C ++ drill-down is detailed in sizeof

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

The conquer of the tricky problem of C/C + + sizeof

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

The difference between sizeof and strlen 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

Deep Analysis of sizeof () mona1 functions in C Language)

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.

C/C ++ test interview (1) -- sizeof

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 give a detailed summary as much as possible.

A detailed description of the C language sizeof function

1. Definition:Where is sizeof? The Divine sizeof is an operator (operator) in C/s + +, which is also, simply speaking,The number of bytes of memory that is used to return an object or type.The explanation on MSDN is:The sizeof keyword gives the

Sizeof details-Good sizeof information

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

Sizeof in C ++

Sizeof, a handsome guy, leads countless cainiao to fold his waist. I didn't make too many mistakes at the beginning, sticking to"I decided to give a detailed summary of the great idea of working hard for ten million people.However, when I sum up, I

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