Add a "fork" of musl as //fusl.

fusl/arch/arm/bits/shm.h

Index: fusl/arch/arm/bits/shm.h
diff --git a/fusl/arch/arm/bits/shm.h b/fusl/arch/arm/bits/shm.h
new file mode 100644
index 0000000000000000000000000000000000000000..547581f1a7f5c6986ba477a824c08cd2ff514bc6
--- /dev/null
+++ b/fusl/arch/arm/bits/shm.h
@@ -0,0 +1,29 @@
+#define SHMLBA 4096
+
+struct shmid_ds
+{
+	struct ipc_perm shm_perm;
+	size_t shm_segsz;
+	time_t shm_atime;
+	int __unused1;
+	time_t shm_dtime;
+	int __unused2;
+	time_t shm_ctime;
+	int __unused3;
+	pid_t shm_cpid;
+	pid_t shm_lpid;
+	unsigned long shm_nattch;
+	unsigned long __pad1;
+	unsigned long __pad2;
+};
+
+struct shminfo {
+	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
+};
+
+struct shm_info {
+	int __used_ids;
+	unsigned long shm_tot, shm_rss, shm_swp;
+	unsigned long __swap_attempts, __swap_successes;
+};
+