Thread: Menu Program

  1. #1
    Registered User
    Join Date
    Mar 2017

    Menu Program

    I have been struggling with this for days. I am to create a program to show a menu of facts, and the user is to put in which fact that they would like to learn about. I have a general idea of how I would like to look. Where I am stuck at is, getting the function to read a file using fgets and print to the screen. This is what I have so far. I just need help getting the textInit function to print to the screen. (Note a lot of this code is trash because i've been changing a lot of things around)proe.c

    #define NUM_ROWS 22
    #define LENGTH_OF_LONGEST_LINE 455
    void textInit(char readIn[][LENGTH_OF_LONGEST_LINE]);  //prototype for textInit function
    int displayMenu(char showIn[][LENGTH_OF_LONGEST_LINE]); //prototype for displayMenu function
    void inputText(char selectIn[NUM_ROWS][LENGTH_OF_LONGEST_LINE],int choice); // prototype for inputTExt function
    int main (void)
    //int i;
    char arraypat[NUM_ROWS][LENGTH_OF_LONGEST_LINE];
    char patfact,patfact1;	
    return 0;
    void textInit(char readIn[][LENGTH_OF_LONGEST_LINE])//function that will put the input.txt into the array
    int readIn_1;_
    	//scanf("%s", &arraypat[NUM_ROWS][LENGTH_OF_LONGEST_LINE]);
    	readIn_1 = strlen(readIn);
    	//scanf("%s", arraypat[i]);
    int displayMenu(char showIn[][LENGTH_OF_LONGEST_LINE])
    int i,j,menuChoice;
    	printf("Which of the following St. Pat's Facts do you wish to view?");
    	for(j=1;j<=11; j++)
    		for(i=1; i<=NUM_ROWS; i+=2)
    	scanf("%d", &menuChoice);
    	if( 1 > menuChoice || menuChoice > 11)
    		printf("Please enter a number between 1 and 11");
    	//	return menuChoice;
    	return 0;
    Last edited by Salem; 03-19-2017 at 01:12 AM. Reason: Inlined code for ease of use

  2. #2
    and the hat of int overfl Salem's Avatar
    Join Date
    Aug 2001
    The edge of the known universe
    If you're trying to read from a file, the first thing you need at some point is

    FILE *fp = fopen("input.txt","r");
    // check fp != NULL

    Followed by
    while ( fgets( buff, sizeof(buff), fp ) != NULL )
    // do something with each line

    > for(j=1;j<=11; j++)
    1. Arrays being at subscript 0, not 1
    2. Use %s to print a whole line, rather than %c to print each character separately.
    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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