foo.c: In function 'main':
foo.c:5:13: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    5 |     scanf("%d %d");
      |            ~^
      |             |
      |             int *
foo.c:5:16: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
    5 |     scanf("%d %d");
      |               ~^
      |                |
      |                int *
foo.c:6:5: warning: 'a' is used uninitialized [-Wuninitialized]
    6 |     printf("%d",a+b);
      |     ^~~~~~~~~~~~~~~~
foo.c:4:9: note: 'a' was declared here
    4 |     int a,b;
      |         ^
foo.c:6:5: warning: 'b' is used uninitialized [-Wuninitialized]
    6 |     printf("%d",a+b);
      |     ^~~~~~~~~~~~~~~~
foo.c:4:11: note: 'b' was declared here
    4 |     int a,b;
      |           ^

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