demod.c: sendJsonUDP() and read_input() unused variables

[leee]

demod.c: In function ‘sendJsonUDP’:
demod.c:42:12: error: unused variable ‘len’ [-Werror=unused-variable]
     int n, len;
            ^~~
demod.c:42:9: error: unused variable ‘n’ [-Werror=unused-variable]
     int n, len;
         ^

https://github.com/russinnes/fsync-mdc1200-decode/blob/daff2c38cc54243a5b1f26149b34987426c64456/demod.c#L42

demod.c: In function ‘read_input’:
demod.c:123:20: error: unused variable ‘unitID’ [-Werror=unused-variable]
     unsigned short unitID;
                    ^~~~~~
demod.c:122:52: error: unused variable ‘extra3’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                                                    ^~~~~~
demod.c:122:44: error: unused variable ‘extra2’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                                            ^~~~~~
demod.c:122:36: error: unused variable ‘extra1’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                                    ^~~~~~
demod.c:122:28: error: unused variable ‘extra0’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                            ^~~~~~
demod.c:122:23: error: unused variable ‘arg’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                       ^~~
demod.c:122:19: error: unused variable ‘op’ [-Werror=unused-variable]
     unsigned char op, arg, extra0, extra1, extra2, extra3;
                   ^~
demod.c:109:20: error: unused variable ‘sp’ [-Werror=unused-variable]
     unsigned char *sp;
                    ^~
demod.c:107:16: error: unused variable ‘integer_only’ [-Werror=unused-variable]
     static int integer_only = true;
                ^~~~~~~~~~~~
demod.c:104:9: error: variable ‘i’ set but not used [-Werror=unused-but-set-variable]
     int i;
         ^
At top level:
demod.c:107:16: error: ‘integer_only’ defined but not used [-Werror=unused-variable]
     static int integer_only = true;
                ^~~~~~~~~~~~

https://github.com/russinnes/fsync-mdc1200-decode/blob/daff2c38cc54243a5b1f26149b34987426c64456/demod.c#L122-L123

demod.c: In function ‘read_input’:
demod.c:109:20: error: unused variable ‘sp’ [-Werror=unused-variable]
     unsigned char *sp;
                    ^~
demod.c:107:16: error: unused variable ‘integer_only’ [-Werror=unused-variable]
     static int integer_only = true;
                ^~~~~~~~~~~~
At top level:
demod.c:107:16: error: ‘integer_only’ defined but not used [-Werror=unused-variable]
     static int integer_only = true;
                ^~~~~~~~~~~~

https://github.com/russinnes/fsync-mdc1200-decode/blob/daff2c38cc54243a5b1f26149b34987426c64456/demod.c#L107-L109