__NR_dup2         199 sandbox/linux/services/arm_linux_syscalls.h #define __NR_dup2 (__NR_SYSCALL_BASE+63)
__NR_dup2         266 sandbox/linux/services/x86_32_linux_syscalls.h #define __NR_dup2 63
__NR_dup2         146 sandbox/linux/services/x86_64_linux_syscalls.h #define __NR_dup2 33