Thread: Question Regarding Scanf/Pointers

  1. #1
    Registered User
    Join Date
    Mar 2020

    Question Regarding Scanf/Pointers


    This is one of the questions in my practical:

    "3. Scanf with Pointers:

    Create a file called user_input.c.Inside, write a function called readInts() that reads three ints and one char andexports them to the calling function.The function should obtain these values from the user. The user should be asked toenter the three ints, one after another, and then enter either A or D."

    It then asks for these values to be passed by reference into another function which I created in part 2 of the practical.

    This is what I have so far:

    #include <stdlib.h>
    #include <stdio.h>
    void readInts();
    	int intOne
    	int intTwo
    	int intThree
    	char charOne
    	printf("Enter First Integer\n");
    	scanf("%d", &intOne);
            printf("Enter Second Integer\n");
            scanf("%d", &intTwo);
            printf("Enter Third Integer\n");
            scanf("%d", &intThree);
            printf("Enter 'A' or 'D'\n");
            scanf(" %c", &charOne);
    I'm really unsure how to pass these values into another function.

    Any help is much appreciated :)

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    int main ( ) {
      int myInt;
    would become
    void readInt(int *myIntPtr) {
    int main ( ) {
      int myInt;
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

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