SYS_close          19 src/pkg/runtime/sys_freebsd_arm.s #define SYS_close (SYS_BASE + 6)
SYS_close          19 src/pkg/runtime/sys_linux_arm.s #define SYS_close (SYS_BASE + 6)
SYS_close           7 src/pkg/runtime/syscall_nacl.h #define SYS_close 11