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What's UDF?

If you're looking for run-time, you need some kind of profiling tool.
Gprof - Wikipedia

Sorry, it looks like I got the source and destination arrays mixed up. I thought you were trying to fit 16 somethings into 3 somethings.



#include<stdio.h>
#include<stdlib.h>...

> uint8_t payload = 3;
> uint16_t raw_data[payload];
..
> index += snprintf(&data_tx[index], 5 , "%d", raw_data[i]);
std::printf, std::fprintf, std::sprintf, std::snprintf - cppreference.com...

if ( strcmp(input,"apple") == 0 )

Most decent C++ aware IDEs have things like
- find declaration
- find definition
- find references

Highlight the thing you're interested and pick door number 3.

Seems familiar....
Please help me with understanding this program i had on a quiz today!! : C_Programming

Also here -> Multithreading Programming Problem - C++ Forum

Read it again.
multi-argument function pointer and enum

The function pointer has to have ZERO parameters, no parameters, not void - just empty.

Sure, go and read the tutorial again (several times).

This isn't some cake walk.
Everything is hard work in C.

Expect to spend a few days getting to grips with this, not a few hours.

If you...

Read this -> Beej's Guide to Network Programming

You asked?

You have a compiler sitting in front of you, and it was a 1 character change to change 0 to 1 and find out.

So what do you see when you do

status.widthValidated = 0;

> sizeof(s)/sizeof(s[0])
This only works with real arrays.



char a[100];
// sizeof(s)/sizeof(s[0]) will give you 100


Neither of these will tell you how much memory you have to play with.

Why don't you just do


struct tm file_timestamp = { 0 };


But normally, I would expect the thing that writes to file_timestamp to return a success/fail status of some sort (which you should...

> 1. How to design a function pointer that can deal with various types of functions ?
In C, the empty parameter list means any parameters, which is the closest you're going to get.

...

Your compare function would start something like this.


int compare(const void * a, const void * b) {
const struct parabola *pa = a;
const struct parabola *pb = b;
double ha, hb; //...

Why don't you start with


for ( i = 0 ; i < HOW_MANY_SENSORS ; i++ ) {
if ( temp[i] == 0xff ) {
// something
}
}

Short answer - no.

Long answer - if you can make your OS swallow a blue pill, and somehow intercept the communication between the file system driver and the physical disk, then you can change...

You need to print it to a buffer using sprintf.



char buff[1000];
sprintf(buff,"curl -k -X PUT https://%s/ProductActions/PowerCycle -O '/tmp/pwrc' 2>&1", naslov);
system(buff);

If you want to numerically deal with the large numbers, then perhaps The GNU MP Bignum Library

> So basicly my whole program works, if this one condition is valid (and i don't understand why)
Surely not.....



foo.c:18:9: error: assignment to expression with array type
new =...

> (I'm not sure the code is correct but there are no compile time errors)
Well that would be the first step.

If the code is actually wrong (but you don't know it yet), then even if you're...

Assemblers are hard wired to their target processors.

Sure, there may be a bunch of options for processor variants (-386, -486, -pentium etc).
But if you're on an ARM machine, then you need an...

The compiler + assembler + linker are usually bundled together as a complete toolchain.

Compiler does foo.c -> foo.s
Assembler does foo.s -> foo.o
Linker does foo.o (and all other .o and .lib/.a...