foo.c: In function 'main':
foo.c:6:15: warning: passing argument 1 of 'scanf' makes pointer from integer without a cast [-Wint-conversion]
    6 |         scanf(987);
      |               ^~~
      |               |
      |               int
In file included from foo.c:1:
/nix/store/ck17nf5q2m51d9jpkpsirx91s64vh202-glibc-2.35-163-dev/include/stdio.h:421:42: note: expected 'const char * restrict' but argument is of type 'int'
  421 | extern int scanf (const char *__restrict __format, ...) __wur;
      |                   ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~

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