__NR_lchown 20 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_lchown 16 __NR_lchown 98 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_lchown 94 __NR_lchown 87 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_lchown (__X32_SYSCALL_BIT + 94)