View Compilation Error

0_0_38659515_3147.cpp: In function 'int main()':
0_0_38659515_3147.cpp:45:11: error: too few arguments to function 'char* gets_s(char*, rsize_t)'
   gets_s(c);
           ^
In file included from gcc-8.5.0/x86_64-w64-mingw32/include/stdio.h:1572,
                 from 0_0_38659515_3147.cpp:3:
gcc-8.5.0/x86_64-w64-mingw32/include/sec_api/stdio_s.h:571:25: note: declared here
   _CRTIMP char* __cdecl gets_s(char*,rsize_t);
                         ^~~~~~