__NR_dup3 330 arch/x86/include/generated/uapi/asm/unistd_32.h #define __NR_dup3 330 __NR_dup3 296 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_dup3 292 __NR_dup3 259 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_dup3 (__X32_SYSCALL_BIT + 292)