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pointers to a function in c

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Dirty Moose answered on May 2, 2021 Popularity 10/10 Helpfulness 3/10

answer pointers to a function in c

related how to make pointers in c

related pointers in C(pointers)

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pointers to a function in c

Comment

#include <stdio.h>
#include <string.h>

void (*StartSd)(); // function pointer
void (*StopSd)();  // function pointer

void space()
{
    printf("\n");
}

void StopSound() // funtion
{
    printf("\nSound has Stopped");
}

void StartSound() // function
{
    printf("\nSound has Started");
}

void main()
{

    StartSd = StartSound; // Assign pointer to function
    StopSd = StopSound;   // Assign pointer to function

    (*StartSd)(); // Call the function with the pointer
    (*StopSd)();  // Call the Function with the pointer

    space();

    StartSd(); // Call the function with the pointer
    StopSd();  // Call the function with the pointer

    space();

    StartSound(); // Calling the function by name.
    StopSound();  // Calling the function by name.
}

Popularity 10/10 Helpfulness 3/10 Language c

Source: Grepper

Tags: c function pointers

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Contributed on Mar 21 2022

Dirty Moose

0 Answers Avg Quality 2/10

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how to make pointers in c

Comment

datatype *var;

variable var actually holds the address of the data(memory where it is stored)
*var lets you access the data stored at that address

Popularity 10/10 Helpfulness 3/10 Language whatever

Source: Grepper

Tags: c

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Contributed on May 02 2021

Weary Wildebeest

0 Answers Avg Quality 2/10

pointers in C(pointers)

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#include <stdio.h>

int main () {

   int  var = 20;   /* actual variable declaration */
   int  *ip;        /* pointer variable declaration */

   ip = &var;  /* store address of var in pointer variable*/

   printf("Address of var variable: %x\n", &var  );

   /* address stored in pointer variable */
   printf("Address stored in ip variable: %x\n", ip );

   /* access the value using the pointer */
   printf("Value of *ip variable: %d\n", *ip );

   return 0;
}

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: www.tutorialspoint.com

Tags: pointers pointer

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Contributed on Apr 22 2023

Lazy Lion

0 Answers Avg Quality 2/10

function pointer in c

Comment

function pointer in c

general syntax: rtype (*pname)(atype);

with arguments: void (*my_ptr)(int)
without arguments: void (*my_ptr)()

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: c function funct

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Contributed on May 16 2023

Talented Tarantula

0 Answers Avg Quality 2/10

function pointer in c

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// Basic syntax
ret_type (*fun_ptr)(arg_type1, arg_type2,..., arg_typen);

// Example
void fun(int a)
{
    printf("Value of a is %d\n", a);
}

// fun_ptr is a pointer to function fun() 
void (*fun_ptr)(int) = &fun;

Popularity 10/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c

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Contributed on Feb 06 2022

Rich Rabbit

0 Answers Avg Quality 2/10

pointers to a function in c

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