foo.c: In function 'main':
foo.c:9:9: warning: parameter names (without types) in function declaration
    9 |         {int a(i)=0;
      |         ^
foo.c:9:9: error: function 'a' is initialized like a variable
foo.c:10:20: error: lvalue required as unary '&' operand
   10 |         scanf("%d",&a(i));
      |                    ^
foo.c:12:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   12 |         if(i=k)
      |            ^
foo.c:16:22: error: 'a' undeclared (first use in this function)
   16 |         printf("%d ",a);
      |                      ^
foo.c:16:22: note: each undeclared identifier is reported only once for each function it appears in
foo.c:18:23: warning: implicit declaration of function 'a' [-Wimplicit-function-declaration]
   18 |         {printf("%d ",a(i));i++;}
      |                       ^

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