cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations endian/uint64_t.c -o endian/uint64_t -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lcrypt -latomic
endian/uint64_t.c:2:1: error: unknown type name ‘uint64_t’
    2 | uint64_t* foo;
      | ^~~~~~~~
endian/uint64_t.c:2:1: note: ‘uint64_t’ is defined in header ‘<stdint.h>’; this is probably fixable by adding ‘#include <stdint.h>’
    1 | #include <endian.h>
  +++ |+#include <stdint.h>
    2 | uint64_t* foo;