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3 answers
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How to organise big array of structs with function references in it? [closed]

I am trying to make readable/maintanable file that contains big array of struct instances, which have function reference in it. Example of application, where this can be used, is user line command ...
user25555421's user avatar
1 vote
2 answers
165 views

How is filter function working for different types of pointers?

Writing a filter function that can handle different types of arrays in C! I tried to write a filter function that takes an integer array and a callback function that evaluates to true or false. Based ...
Aqib Javid Bhat's user avatar
0 votes
2 answers
1k views

Could not convert from <brace-enclosed initializer list> to std::map

I am stuck on a problem and I know that some similar questions have already been posted here, but I have not been able to solve the problem yet based on their answers. Could someone please help me ...
rere's user avatar
  • 25
1 vote
2 answers
370 views

How to access elements of an array of function pointers passed to a function by a void pointer?

I'm trying to pass an array of function pointers to a function by a void pointer. I cannot figure how to access the elements of the array inside the function they are passed to. Example 1 - Pass ...
cmoran's user avatar
  • 13
0 votes
0 answers
76 views

how to store variadic template functiont pointers in an array an then assign the functions to each pointer

Suppose I have the following functions: static bool fun1(IOPin* obj) { } static bool fun2(IOPin* obj, const bool& arg) { } I want to be able to store pointers pointing to each of these functions ...
Juan_David's user avatar
-2 votes
1 answer
223 views

question about two sum leetcode problem: brute force approach in C

I dont understand some small actions that has taken in this code, for example i) why do we need to do &rs, why cant we just write int returnSize; p = twoSum(a, sizeof(a)/sizeof(a[0]), ...
zappi's user avatar
  • 11
1 vote
1 answer
48 views

Error initializing nested struct containing array of struct and function pointer c99 and gnu99

I am getting error during initialization of nested structure containing two members unsigned int typedef void (*vfptr)(void);. The first structure or parent structure contains simply two variables ...
Gaurav Pathak's user avatar
0 votes
4 answers
87 views

2d array pointer used in function

im writting a program in which i want to use this piece of code to transfer a 2d array in a function, but i dont understand fully how it works exactly. Can someone explain it, specifically line 7? #...
Draisen's user avatar
  • 13
1 vote
1 answer
719 views

llvm - Access And Call Function Pointer In A Global Array Without Horrible Pointer Hacking

I am having quite some trouble programmatically accessing a function pointer in a global array programmatically. I have a global array of function pointers, my "lookup table" which I ...
cgbsu's user avatar
  • 55
3 votes
3 answers
94 views

write a variable that takes a list of functions

I want to write a variable that takes a list of functions, is that even possible? to have a list of functions in C? example: // this type is for one function void (*f)(void) = func1; // but this is ...
dsal3389's user avatar
  • 720
0 votes
1 answer
37 views

Invoking function from the 2d array of function pointers

#include <stdio.h> void test1(){ printf("test1\n"); } void test2(){ printf("test2\n"); } void test3(){ printf("test3\n"); } void test4(){ printf("test4\n"...
user12716429's user avatar
0 votes
1 answer
93 views

How to pass an array of function pointers as an argument?

I have an array of function pointers int (*oper_ptr[4])(int, int) = {add, sub, mul, divi}; for the below functions which simply perform a standard operation on two passed integers: int add(int num_a,...
user avatar
0 votes
1 answer
72 views

How to declare an array that is received like parameter in a function that also receive a pointer to a function in C?

How to declare an array that is received like an parameter in a function that also receive a pointer to a function in C and that function is using the values from the array? The function that use the ...
Cezar 's user avatar
  • 21
1 vote
1 answer
129 views

How to insert a structure instance inside a structure type array in c?

What do I want to do? I want to make an array of struct types and insert struct instances into it. {"struct Matrix matrix1", "struct Matrix matrix2"} What have I done till now? I ...
Harshit Singh's user avatar
0 votes
0 answers
104 views

Creating an Array that uses a Varargs Struct with function Pointers

I'm currently learning about Varargs and now sitting in front of the Problem that I can't bring them in an Array and call them with e.g. a for-Loop. Code: #include <iostream> #include <...
Deto24's user avatar
  • 93

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