/in/foo.c: In function 'main':
/in/foo.c:6:9: warning: implicit declaration of function 'scznf'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |         scznf("%d%d",&a,&b);
      |         ^~~~~
      |         scanf
/in/foo.c:7:12: warning: missing terminating " character
    7 |     printf("%d\n,a+b);
      |            ^
/in/foo.c:7:12: error: missing terminating " character
    7 |     printf("%d\n,a+b);
      |            ^~~~~~~~~~~
/in/foo.c:8:1: error: expected expression before '}' token
    8 | }
      | ^
/in/foo.c:7:12: error: expected ';' before '}' token
    7 |     printf("%d\n,a+b);
      |            ^
      |            ;
    8 | }
      | ~