c - Is there a way to loop a switch case base program from within the switch case statement? -

so while practicing variations of switch-case blocks, wanted try , loop switch-case part of program within not able far in trials. tried using continue not work unless switch-case block inside loop. tried designing while loop conditions, worked not accurately, did not execute blocks inside cases break out of switch , terminate program cases not executed. tried goto believe there rules labels used far not favouring use of goto inside switch. researching shows people looping switch-case externally (like switch-case inside while loop or loop etc), not find examples of 1 trying build loop within switch-case block of code. don't mind if solution repeats code beginning or starts external point outside switch-case again, purpose program somehow re-execute switch-case without enveloping same switch-case in loop. learning c programming again after long time hence did long search not find apt result. maybe doing long search after long time might have lost touch. there similar question solution given , accepted user indicates use of while envelope switch case , not other way around want. here link

c programming while switch case program

here code:-

    #include <stdio.h>     int main()     {     int input;      printf( "4. play game\n" );      //i have re-edited question , shortened code , included additionally tried per advice, focus on question more, w/o changing main question .     printf( "selection: " );     scanf( "%d", &input );     switch ( input )      {         case 4:             printf( "thanks playing! taaaa\n" );             break;         default:              while(input!=4)          //just sample condition, , know doesnt check letters or characters input, not point. want see if solution on similar thought/methodology exists.            {                printf( "no u have give correct input\n" );             scanf("%d", &input);             continue;                // tried goto , return; in loop realize not jump me out of loop , program.            }     }     return 0;     } 

alternatively, can while loop used made run not accurately yet without errors or warnings. thing while loop, described earlier above, did not execute blocks inside cases broke out.

i tried attach output image seems reputation went below 10 due down-voting hence couldnt attach sorry. attached again.

if want insane code, can mess around variants on code:

#include <stdio.h>  /* ** disclaimer ** appalling idea - not use it. ** seems meet criteria of 30553881. ** maybe. */  extern void playgame(void); extern void designgame(void); extern void playmultiplayer(void);  int main(void) {     int input;      printf("1. play game\n");     printf("2. design game\n");     printf("3. play multiplayer\n");     printf("4. exit\n");     printf("5. auto-try-again\n");     printf("selection: ");     if (scanf("%d", &input) == 1)     { redo:         switch (input)         {             while (input > 0 && input != 4)             {             case 1:                 playgame();                 break;             case 2:                 designgame();                 break;             case 3:                 playmultiplayer();                 break;             case 4:                 printf("taaaa!\n");                 break;             default:                 printf("no u have give correct input\n");                 break;             }             if (input != 4 && scanf("%d", &input) == 1)                 goto redo;         }     }     return 0; }  void playgame(void)        { printf("%s called\n", __func__); } void designgame(void)      { printf("%s called\n", __func__); } void playmultiplayer(void) { printf("%s called\n", __func__); } 

note break; statements after case labels break while loop, not switch. use continue instead of break, mean next iteration execute playgame() , exit loop (because of break — unless replace break continue, or goto of sort, or return).

disclaimer

this appalling code — not use it!

but show can sorts of things in c insane. duff's device see plausibly useful chunk of code related (which not plausibly useful).