foo.c: In function 'main':
foo.c:6:17: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
    6 |         scanf("%d %d %d",a,b,c);
      |                ~^        ~
      |                 |        |
      |                 int *    int
foo.c:6:20: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=]
    6 |         scanf("%d %d %d",a,b,c);
      |                   ~^       ~
      |                    |       |
      |                    int *   int
foo.c:6:23: warning: format '%d' expects argument of type 'int *', but argument 4 has type 'int' [-Wformat=]
    6 |         scanf("%d %d %d",a,b,c);
      |                      ~^      ~
      |                       |      |
      |                       int *  int
foo.c:11:40: warning: conversion lacks type at end of format [-Wformat=]
   11 |                         printf("%d %d %D",c,b,a);
      |                                        ^
foo.c:11:32: warning: too many arguments for format [-Wformat-extra-args]
   11 |                         printf("%d %d %D",c,b,a);
      |                                ^~~~~~~~~~
foo.c:6:9: warning: 'a' is used uninitialized [-Wuninitialized]
    6 |         scanf("%d %d %d",a,b,c);
      |         ^~~~~~~~~~~~~~~~~~~~~~~
foo.c:5:13: note: 'a' was declared here
    5 | {       int a, b, c;
      |             ^
foo.c:6:9: warning: 'b' is used uninitialized [-Wuninitialized]
    6 |         scanf("%d %d %d",a,b,c);
      |         ^~~~~~~~~~~~~~~~~~~~~~~
foo.c:5:16: note: 'b' was declared here
    5 | {       int a, b, c;
      |                ^
foo.c:6:9: warning: 'c' is used uninitialized [-Wuninitialized]
    6 |         scanf("%d %d %d",a,b,c);
      |         ^~~~~~~~~~~~~~~~~~~~~~~
foo.c:5:19: note: 'c' was declared here
    5 | {       int a, b, c;
      |                   ^

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