/in/foo.c: In function 'main':
/in/foo.c:8:11: warning: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
    8 |    printf((int)(c));
      |           ^~~~~~~~
      |           |
      |           int
In file included from /in/foo.c:1:
/usr/include/stdio.h:356:43: note: expected 'const char * restrict' but argument is of type 'int'
  356 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~