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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4. int update(void);
  5. int upgrade(void);
  6. int quit(void);
  7. void show(const char *question, const char **options, int (**actions)(void), int length);
  8.  
  9. int main(void){
  10.     const char *question = "Choose Menu\n";
  11.     const char *options[3] = {"Update", "Upgrade", "Quit"};
  12.     int (*actions[3])(void) = {update,upgrade,quit};
  13.  
  14.     show(question,options,actions,3);
  15.     return 0;
  16. }
  17.  
  18. int update(void){
  19.     printf("\n\tUpdating...\n");
  20.     return 1;
  21. }
  22.  
  23. int upgrade(void){
  24.     printf("\n\tUpgrade...\n");
  25.     return 1;
  26. }
  27.  
  28. int quit(void){
  29.     printf("\n\tQuit...\n");
  30.     return 0;
  31. }
  32.  
  33. void show(const char *question, const char **options, int (**actions)(void), int length){
  34.     int choose = 0, repeat = 1;
  35.     int (*act)(void);
  36.  
  37.     do{
  38.         printf("\n\t %s \n",question);
  39.         for(int i=0;i<length;i++){
  40.             printf("%d. %s\n",(i+1),options[i]);
  41.         }
  42.  
  43.         printf("\nPlease choose an Option:  ");
  44.         if((scanf("%d",&choose)) != 1){
  45.             printf("Error\n");
  46.         }
  47.         act = actions[choose-1];
  48.         repeat = act();
  49.  
  50.         if(act==0){
  51.             repeat = 0;
  52.         }
  53.     }while(repeat == 1);
  54. }
Runtime error #stdin #stdout 0s 2160KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/rt7Won
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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