/in/lab4.c: In function 'main':
/in/lab4.c:230:9: warning: variable 'newline' set but not used [-Wunused-but-set-variable]
     int newline;
         ^~~~~~~
/in/lab4.c:226:47: warning: variable 'p2float' set but not used [-Wunused-but-set-variable]
     char command[120], *p2equal, *p2fprintf, *p2float, *p2semicolon;
                                               ^~~~~~~