cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations tar/REGTYPE.c -o tar/REGTYPE -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
tar/REGTYPE.c:1:10: fatal error: tar.h: No such file or directory
    1 | #include <tar.h>
      |          ^~~~~~~
compilation terminated.