CC       ptrace/_UPT_ptrauth_insn_mask.lo
ptrace/_UPT_ptrauth_insn_mask.c:32:16: error: variable has incomplete type 'struct iovec'
   32 |   struct iovec iovec;
      |                ^
ptrace/_UPT_ptrauth_insn_mask.c:32:10: note: forward declaration of 'struct iovec'
   32 |   struct iovec iovec;
      |          ^
ptrace/_UPT_ptrauth_insn_mask.c:38:17: error: use of undeclared identifier 'PTRACE_GETREGSET'
   38 |   ret = ptrace (PTRACE_GETREGSET, pid, NT_ARM_PAC_MASK, &iovec);
      |                 ^
ptrace/_UPT_ptrauth_insn_mask.c:38:40: error: use of undeclared identifier 'NT_ARM_PAC_MASK'
   38 |   ret = ptrace (PTRACE_GETREGSET, pid, NT_ARM_PAC_MASK, &iovec);
      |                                        ^
3 errors generated.