TechQA.

Question

Why is ptrdiff_t signed?

score 388 · Answer 1 · 2022-08-16T01:54:36.360000

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Why is ptrdiff_t signed?

388 views Asked by ZoomIn At 16 August 2022 at 01:54

score 84 · Answer 2 · 2022-03-13T16:23:45.380000

&q - &p, q and p pointing to non-initialised char array. And o/p is 1. How?

84 views Asked by spiders.here At 13 March 2022 at 16:23

score 169 · Answer 3 · 2021-09-11T18:11:12.413000

Can I cast void * to ptrdiff_t in C89?

169 views Asked by cbot At 11 September 2021 at 18:11

score 2797 · Answer 4 · 2021-01-16T09:31:09.617000

What is the motivation for ptrdiff_t?

2.7k views Asked by samuelbrody1249 At 16 January 2021 at 09:31

score 924 · Answer 5 · 2020-05-21T13:41:37.040000

Does size_t have the same size and alignment as ptrdiff_t?

924 views Asked by user7769147 At 21 May 2020 at 13:41

score 1331 · Answer 6 · 2019-04-18T13:59:06.533000

Can we subtract NULL pointers?

1.3k views Asked by St.Antario At 18 April 2019 at 13:59

score 2829 · Answer 7 · 2019-03-26T15:53:46.887000

Usage of ptrdiff_t

2.8k views Asked by Some Name At 26 March 2019 at 15:53

score 1241 · Answer 8 · 2018-07-07T21:41:11.717000

For iterating though an array should we be using size_t or ptrdiff_t?

1.2k views Asked by Evan Carroll At 07 July 2018 at 21:41

score 1003 · Answer 9 · 2018-03-20T09:27:29.353000

Can ptrdiff_t represent all subtractions of pointers to elements of the same array object?

1k views Asked by jotik At 20 March 2018 at 09:27

score 115 · Answer 10 · 2017-08-11T03:50:50.720000

How to handle ptrdiff_t in SWIG generated Java wrapper?

115 views Asked by Tongfei Chen At 11 August 2017 at 03:50

score 3042 · Answer 11 · 2016-09-29T12:03:10.993000

<stddef.h> std::ptrdiff_t' has not been declared

3k views Asked by infernalcucumber At 29 September 2016 at 12:03

score 782 · Answer 12 · 2016-09-03T15:02:42.803000

Copying one part of a string to another in C

782 views Asked by cass At 03 September 2016 at 15:02

score 351 · Answer 13 · 2015-12-22T02:57:52.387000

Cross platform version of __PTRDIFF_TYPE__

351 views Asked by Alec At 22 December 2015 at 02:57

score 1492 · Answer 14 · 2015-08-10T08:32:01.667000

C++ size_t and ptrdiff_t for negative array indexing

1.4k views Asked by Mikrosaft At 10 August 2015 at 08:32

score 1610 · Answer 15 · 2015-05-17T11:09:03.700000

Should I cast size_t to ptrdiff_t?

1.6k views Asked by Toby At 17 May 2015 at 11:09

score 341 · Answer 16 · 2015-01-03T19:06:40.747000

Using std::ptrdiff_t on user defined types

341 views Asked by tuk At 03 January 2015 at 19:06

score 1135 · Answer 17 · 2014-11-03T09:54:30.830000

Pointer difference across members of a struct?

1.1k views Asked by Blagovest Buyukliev At 03 November 2014 at 09:54

TechQA.

List Question

Why is ptrdiff_t signed?

&q - &p, q and p pointing to non-initialised char array. And o/p is 1. How?

Can I cast void * to ptrdiff_t in C89?

What is the motivation for ptrdiff_t?

Does size_t have the same size and alignment as ptrdiff_t?

Can we subtract NULL pointers?

Usage of ptrdiff_t

For iterating though an array should we be using size_t or ptrdiff_t?

Can ptrdiff_t represent all subtractions of pointers to elements of the same array object?

How to handle ptrdiff_t in SWIG generated Java wrapper?

<stddef.h> std::ptrdiff_t' has not been declared

Copying one part of a string to another in C

Cross platform version of __PTRDIFF_TYPE__

C++ size_t and ptrdiff_t for negative array indexing

Should I cast size_t to ptrdiff_t?

Using std::ptrdiff_t on user defined types

Pointer difference across members of a struct?

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