sizeof
sizeof a struct member [duplicate]
This question already has answers here: sizeof single struct member in C (9 answers) 开发者_StackOverflow中文版[详细]
2023-01-18 23:54 分类：问答c programming query regarding sizeof operator Please specifythe output with reason in windows and linux [closed]
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]
2023-01-18 13:25 分类：问答Can I get the size of a struct field w/o creating an instance of the struct?
It\'s trivial to get the size of a struct\'s field in C++ if you have an instance of the struct.E.g. (uncompiled):[详细]
2023-01-16 11:49 分类：问答Size of a struct with two void pointers is 4?
I don\'t understand why struct e{ void * a; void * b[]; } has sizeof(e) == 4 while struct f{ void * a; void * b;[详细]
2023-01-16 05:05 分类：问答Is there a guarantee as to the size of a class that contains an array?
Given: templ开发者_开发技巧ate <int N> struct val2size { char placeholder[N]; }; Is there any guarantee that sizeof(val2size<N>) == N?The only guarantee is that[详细]
2023-01-14 18:06 分类：问答How does sizeof know the size of the operand array?
This may be a stupid ques开发者_运维技巧tion but how does the sizeof operator know the size of an array operand when you don\'t pass in the amount of elements in the array.I know it doesn\'t return th[详细]
2023-01-13 01:44 分类：问答What is the size of a Nullable<Int32>?
So, a couple of questions, actually: An int (Int32) is specified to be (obviously) 32 bits. What about an int? (Nullable<int>)? My gut tells me that it would be 32 bits for the integer plus 8[详细]
2023-01-12 18:28 分类：问答initializing allocating the size of an array
gcc 4.4.3 c89 I am wondering why I can\'t allocate the size of开发者_如何学Go the array when initializing an array of pointers to char.[详细]
2023-01-11 23:45 分类：问答Understanding sizeof(char) in 32 bit C compilers
(sizeof) char always returns 1 in 32 bit GCC compiler. But since the basic block size in 32 bit compiler is 4, How does char occupy a single byte when the basic size is 4 bytes???[详细]
2023-01-11 03:41 分类：问答Size of two structs are the same although one of them has a struct instance in them
typedef struct BaseMessage { int u32DeviceID : 32; int u32CoreID : 32; unsigned int u16Class : 16; unsigned int u8OpCode : 8;[详细]
2023-01-11 01:03 分类：问答
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