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1. zunda (zundan@mastodon.zunda.ninja)'s status on Saturday, 23-Nov-2024 12:57:11 JST zunda

   in reply to

   UBだ♪

   $ cat return.c
   #include <stdlib.h>
   #include <stdio.h>

   int function(void){
   return;
   }

   int main(void)
   {
   printf("%d\n", function());
   return 0;
   }
   $ gcc return.c && ./a.out && ./a.out && ./a.out
   return.c: In function ‘function’:
   return.c:5:3: warning: ‘return’ with no value, in function returning non-void
   5 | return;
   | ^~~~~~
   return.c:4:5: note: declared here
   4 | int function(void){
   | ^~~~~~~~
   -198725291
   1404641621
   1343713621

   • zunda (zundan@mastodon.zunda.ninja)'s status on Saturday, 23-Nov-2024 12:57:12 JST zunda

     現代のCで返り値に型のある関数でreturn;したらどうなるんだろう!!

     ikeji repeated this.