Temporary breakpoint 2 at 0x100000ef4: file sort_select.c, line 30.
Starting program: /Users/yt/Documents/CodeProj/c/sort_select
During startup program terminated with signal SIG113, Real-time event 113.
$ csrutil status
System Integrity Protection status: enabled.
To enable or disable System Integrity Protection, you must boot to Recovery OS and run the csrutil(1) command from the Terminal.
Boot to Recovery OS by restarting your machine and holding down the Command and R keys at startup.
Launch Terminal from the Utilities menu.
Enter the following command:
$ csrutil enable