__NR_writev       455 sandbox/linux/services/arm_linux_syscalls.h #define __NR_writev (__NR_SYSCALL_BASE+146)
__NR_writev       598 sandbox/linux/services/x86_32_linux_syscalls.h #define __NR_writev 146
__NR_writev        94 sandbox/linux/services/x86_64_linux_syscalls.h #define __NR_writev 20