cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations inttypes/wcstoimax.c -o inttypes/wcstoimax -D_POSIX_C_SOURCE=202405L -lm -lpthread -lnetwork -lbsd -latomic
inttypes/wcstoimax.c:5:23: error: unknown type name 'wchar_t'
    5 | intmax_t (*foo)(const wchar_t *restrict, wchar_t **restrict, int) = wcstoimax;
      |                       ^~~~~~~
inttypes/wcstoimax.c:5:42: error: unknown type name 'wchar_t'
    5 | intmax_t (*foo)(const wchar_t *restrict, wchar_t **restrict, int) = wcstoimax;
      |                                          ^~~~~~~
inttypes/wcstoimax.c:2:1: note: 'wchar_t' is defined in header '<stddef.h>'; did you forget to '#include <stddef.h>'?
    1 | #include <inttypes.h>
  +++ |+#include <stddef.h>
    2 | #ifdef wcstoimax