Sponsored Content
Top Forums Programming Doubts regarding sizeof() operator Post 302439078 by Corona688 on Wednesday 21st of July 2010 04:58:47 PM
Old 07-21-2010
This is not strange considering you need to do the same to declare variables of that type in C too.
 

10 More Discussions You Might Find Interesting

1. Programming

sizeof

we know that sizeof never returns zero when used with structure then why in this case it is returning zero struct foo { char c; }; void main() { struct foo f; cout<<sizeof(f); } i am working on solaris 5.8 isn't the above function should return the size of empty structure (7 Replies)
Discussion started by: ramneek
7 Replies

2. UNIX for Dummies Questions & Answers

Unix doubts

Hello All, I am very new to UNIX. Please help me to find answers of below questions. 1.A script is saved with name ls. When we execute the script what it will execute? a) Will execute ls command b) Will execute the script c) Will execute script or command depends on the path ... (2 Replies)
Discussion started by: aswathy
2 Replies

3. UNIX for Dummies Questions & Answers

Doubts on FIFO

Hi , I m beginner for Unix and i want to use FIFO in my 2 Scripts . I want 1 script to read data from FIFO and other will write into FIFO. Despite reading so many articles/posts i am still unable sunchronize my scripts. My doubts are 1> Do We require both scripts as daemons to use... (0 Replies)
Discussion started by: Akshay
0 Replies

4. UNIX for Dummies Questions & Answers

Unix doubts

Hi All, 1. how and who calls .profile when you login 2. what is PPID and what means by PPID = 0 Thanks in Advance (2 Replies)
Discussion started by: ravi.sadani19
2 Replies

5. Programming

sizeof an array of structure without using 'sizeof' operator

Hi All, is it possible to find out the size of an array of structures ( without using 'sizeof' operator). The condition is we have the array of structure instant but we are not aware of the elements inside the structure. Can someone help me out? Thanks in advance. (18 Replies)
Discussion started by: rvan
18 Replies

6. Programming

How to get the sizeof char pointer

The below code throws the error, since the size of x = 19 is not passed to the cstrCopy function. using namespace std; static void cstrCopy(char *x, const char*y); int main () { char x; const string y = "UNIX FORUM"; cstrCopy(x,y.c_str()); return 0; } void cstrCopy(char *x,... (3 Replies)
Discussion started by: SamRoj
3 Replies

7. Programming

sizeof(object) in C++

Hi, I have defined the class and call the sizeof(object to class) to get the size. # include <iostream> # include <iomanip> using namespace std; class sample { private: int i; float j; char k; public: sample() { } (2 Replies)
Discussion started by: ramkrix
2 Replies

8. HP-UX

Some doubts about resizing fs's in HP-UX

Hello, I'm new to HP-UX and I'm not sure about some concepts related to resizing fs's under this OS. First of all I'm only asking about resizing ONLINE, it means, without having to umount the fs nor rebooting, etc. Q1. I've read that in order to resize a fs online there are 2 requirements:... (3 Replies)
Discussion started by: asanchez
3 Replies

9. Shell Programming and Scripting

Sizeof a file from directory path in perl

Hai how to find size of a file?? ex : /home/kiran/pdk/sample/calibre this is a path In that I have to find size of a files in side a calibre(it is the folder) like .results or .summary (1 Reply)
Discussion started by: kiran425
1 Replies

10. Programming

Compiler/Runtime uses of sizeof

Ignoring other considerations for a moment and in general ... Would there be a difference in result (dot oh or execution) of: A. strncpy( a, b, sizeof(a) ); vs. B. c = sizeof(a); strncpy( a, b, c ); My general understanding is (at least I think my understanding is) that... (10 Replies)
Discussion started by: GSalisbury
10 Replies
std::tuple< _Elements >(3)				     Library Functions Manual					std::tuple< _Elements >(3)

NAME
std::tuple< _Elements > - SYNOPSIS
Inherits std::_Tuple_impl< 0, _Elements...>. Public Member Functions constexpr tuple (const _Elements &...__elements) template<typename... _UElements, typename = typename enable_if<__and_<is_convertible<_UElements, _Elements>...>::value>::type> constexpr tuple (_UElements &&...__elements) constexpr tuple (const tuple &)=default constexpr tuple (tuple &&)=default template<typename... _UElements, typename = typename enable_if<__and_<is_convertible<const _UElements&, _Elements>...>::value>::type> constexpr tuple (const tuple< _UElements...> &__in) template<typename... _UElements, typename = typename enable_if<__and_<is_convertible<_UElements, _Elements>...>::value>::type> constexpr tuple (tuple< _UElements...> &&__in) template<typename _Alloc > tuple (allocator_arg_t __tag, const _Alloc &__a) template<typename _Alloc > tuple (allocator_arg_t __tag, const _Alloc &__a, const _Elements &...__elements) template<typename _Alloc , typename... _UElements, typename = typename enable_if<sizeof...(_UElements) == sizeof...(_Elements)>::type> tuple (allocator_arg_t __tag, const _Alloc &__a, _UElements &&...__elements) template<typename _Alloc > tuple (allocator_arg_t __tag, const _Alloc &__a, const tuple &__in) template<typename _Alloc > tuple (allocator_arg_t __tag, const _Alloc &__a, tuple &&__in) template<typename _Alloc , typename... _UElements, typename = typename enable_if<sizeof...(_UElements) == sizeof...(_Elements)>::type> tuple (allocator_arg_t __tag, const _Alloc &__a, const tuple< _UElements...> &__in) template<typename _Alloc , typename... _UElements, typename = typename enable_if<sizeof...(_UElements) == sizeof...(_Elements)>::type> tuple (allocator_arg_t __tag, const _Alloc &__a, tuple< _UElements...> &&__in) void noexcept (noexcept(__in._M_swap(__in))) tuple & operator= (const tuple &__in) tuple & operator= (tuple &&__in) noexcept(is_nothrow_move_assignable< _Inherited >::value) template<typename... _UElements, typename = typename enable_if<sizeof...(_UElements) == sizeof...(_Elements)>::type> tuple & operator= (const tuple< _UElements...> &__in) template<typename... _UElements, typename = typename enable_if<sizeof...(_UElements) == sizeof...(_Elements)>::type> tuple & operator= (tuple< _UElements...> &&__in) Detailed Description template<typename... _Elements>class std::tuple< _Elements > Primary class template, tuple. Definition at line 388 of file tuple. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Jun 10 2014 std::tuple< _Elements >(3)
All times are GMT -4. The time now is 11:26 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy