__NR_read 6 arch/x86/include/asm/seccomp_32.h #define __NR_seccomp_read __NR_read __NR_read 7 arch/x86/include/asm/seccomp_64.h #define __NR_seccomp_read __NR_read __NR_read 200 include/uapi/asm-generic/unistd.h #define __NR_read 63 __NR_read 201 include/uapi/asm-generic/unistd.h __SYSCALL(__NR_read, sys_read)