sys_sethostname   162 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_sethostname, sys_sethostname)
sys_sethostname   722 include/linux/syscalls.h asmlinkage long sys_sethostname(char __user *name, int len);
sys_sethostname   489 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_sethostname, sys_sethostname)
sys_sethostname   489 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_sethostname, sys_sethostname)