__NR_fchown        99 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_fchown 95
__NR_fchown        97 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_fchown 93
__NR_fchown        86 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_fchown (__X32_SYSCALL_BIT + 93)