sys_setreuid 420 arch/arm64/include/asm/unistd32.h __SYSCALL(__NR_setreuid32, sys_setreuid) sys_setreuid 706 include/linux/syscalls.h asmlinkage long sys_setreuid(uid_t ruid, uid_t euid); sys_setreuid 457 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_setreuid, sys_setreuid) sys_setreuid 457 tools/include/uapi/asm-generic/unistd.h __SYSCALL(__NR_setreuid, sys_setreuid)