by: Debashish Chakravarty |
last post by:
Would it have been a good idea if the comparison function in quicksort
took three const void * parameters in, the third one for extra
information that might be required to compare the two objects,...
|
by: Dennis Chang |
last post by:
Hi all,
I was reading about function pointers and came across something which
intrigued me.
K&R2 calls qsort (pg.119) within main as so:
qsort( (void **) lineptr, 0, nlines-1, (int (*) (void...
|
by: Danilo Kempf |
last post by:
Folks,
maybe one of you could be of help with this question: I've got a relatively
portable application which I'm extending with a plugin interface. While
portability (from a C perspective) is...
|
by: aurgathor |
last post by:
Howdy,
How do I pass some function a generic comparison
function? I figured out one non-generic case, but
since this code got parameter declarations in two places,
it's obviously not generic....
|
by: Charles Sullivan |
last post by:
The library function 'qsort' is declared thus:
void qsort(void *base, size_t nmemb, size_t size,
int(*compar)(const void *, const void *));
If in my code I write:
int cmp_fcn(...);
int...
|
by: sabarish |
last post by:
hi friend,
what is function pointer how it is useful?
plz help me.
|
by: cmk128 |
last post by:
Hi
Why put * in front of the function name in the declaration?
int (*write)(struct inode *, struct file *, const char *, int);
thanks
from Peter (cmk128@hotmail.com)
|
by: Spoon |
last post by:
Hello,
I've come across the following comparison function used as the 4th
parameter in qsort()
int cmp(const void *px, const void *py)
{
const double *x = px, *y = py;
return (*x > *y) -...
|
by: tnowles00 |
last post by:
Hi friend,
what is the use of function pointer in c language and where it is
useful?
tell with simple example...?
plz help me.
|
by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
|
by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
|
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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