foo.c:3:6: error: conflicting types for 'remove'
    3 | void remove(char s[],char c);
      |      ^~~~~~
In file included from foo.c:1:
/usr/include/stdio.h:146:12: note: previous declaration of 'remove' was here
  146 | extern int remove (const char *__filename) __THROW;
      |            ^~~~~~
foo.c: In function 'main':
foo.c:8:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    8 |  gets(s);
      |  ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c:9:2: warning: 'gets' is deprecated [-Wdeprecated-declarations]
    9 |  gets(c);
      |  ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c: At top level:
foo.c:22:6: error: conflicting types for 'remove'
   22 | void remove(char s[],char c)
      |      ^~~~~~
In file included from foo.c:1:
/usr/include/stdio.h:146:12: note: previous declaration of 'remove' was here
  146 | extern int remove (const char *__filename) __THROW;
      |            ^~~~~~
foo.c: In function 'main':
foo.c:8:2: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
    8 |  gets(s);
      |  ^~~~~~~
foo.c:9:2: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
    9 |  gets(c);
      |  ^~~~~~~

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