cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration tiocsctty-if-needed.c -o tiocsctty-if-needed -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
relibc getrlimit(9, 0x7ffffffffb90): not implemented
relibc getrlimit(5, 0x7ffffffffb90): not implemented
relibc getrlimit(9, 0x7ffffffffb60): not implemented
tiocsctty-if-needed.c: In function 'main':
tiocsctty-if-needed.c:30:22: error: implicit declaration of function 'tcgetsid'; did you mean 'getsid'? [-Werror=implicit-function-declaration]
   30 |                 if ( tcgetsid(pty) < 0 && errno == ENOTTY )
      |                      ^~~~~~~~
      |                      getsid
cc1: some warnings being treated as errors