Line 6: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
Line 9: warning: data definition has no type or storage class
In function 'main':
Line 16: error: 'ptr' undeclared (first use in this function)
Line 16: error: (Each undeclared identifier is reported only once
Line 16: error: for each function it appears in.)
Line 16: error: expected expression before ')' token