cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations utmpx/struct-utmpx-ut_user.c -o utmpx/struct-utmpx-ut_user -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt 
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffbb0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
relibc getrlimit(9, 0x7ffffffffba0): not implemented
relibc getrlimit(5, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
utmpx/struct-utmpx-ut_user.c:7:10: fatal error: utmpx.h: No such file or directory
    7 | #include <utmpx.h>
      |          ^~~~~~~~~
compilation terminated.