==== run-regress-shmtest ====
cc -O2 -pipe  -g  -MD -MP  -c /home/src/regress/sys/kern/sysvshm/shmtest.c
/home/src/regress/sys/kern/sysvshm/shmtest.c:72:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
   72 | main(argc, argv)
      | ^
/home/src/regress/sys/kern/sysvshm/shmtest.c:194:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
  194 | sigsys_handler(signo)
      | ^
/home/src/regress/sys/kern/sysvshm/shmtest.c:202:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
  202 | sigchld_handler(signo)
      | ^
/home/src/regress/sys/kern/sysvshm/shmtest.c:252:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C23 [-Wdeprecated-non-prototype]
  252 | print_shmid_ds(sp, mode)
      | ^
4 warnings generated.
cc   -o shmtest shmtest.o 
./shmtest