atcommand.c:5526: warning: implicit declaration of function ‘atcommand_check_distance’ atcommand.c:5823: error: too few arguments to function ‘status->change_start’ atcommand.c:5823: warning: left-hand operand of comma expression has no effect atcommand.c:5823: warning: statement with no effect atcommand.c:5823: error: expected ‘;’ before ‘)’ token atcommand.c:5823: error: expected statement before ‘)’ token