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

fusl/arch/i386/syscall_arch.h

+#define __SYSCALL_LL_E(x) \
+((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
+((union { long long ll; long l[2]; }){ .ll = x }).l[1]
+#define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
+
+static inline long __syscall0(long n)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ (".hidden __vsyscall ; call __vsyscall" : "=a"(__ret) : "a"(n) : "memory");
+        return __ret;
+}
+
+static inline long __syscall1(long n, long a1)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ (".hidden __vsyscall ; call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1) : "memory");
+        return __ret;
+}
+
+static inline long __syscall2(long n, long a1, long a2)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ (".hidden __vsyscall ; call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2) : "memory");
+        return __ret;
+}
+
+static inline long __syscall3(long n, long a1, long a2, long a3)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ (".hidden __vsyscall ; call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3) : "memory");
+        return __ret;
+}
+
+static inline long __syscall4(long n, long a1, long a2, long a3, long a4)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ (".hidden __vsyscall ; call __vsyscall" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4) : "memory");
+        return __ret;
+}
+
+static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ ("push %6 ; .hidden __vsyscall ; call __vsyscall ; add $4,%%esp" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4), "g"(a5) : "memory");
+        return __ret;
+}
+
+static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6)
+{
+        unsigned long __ret;
+        __asm__ __volatile__ ("push %6 ; .hidden __vsyscall6 ; call __vsyscall6 ; add $4,%%esp" : "=a"(__ret) : "a"(n), "d"(a1), "c"(a2), "D"(a3), "S"(a4), "g"(0+(long[]){a5, a6}) : "memory");
+        return __ret;
+}
+
+#define VDSO_USEFUL
+#define VDSO_CGT_SYM "__vdso_clock_gettime"
+#define VDSO_CGT_VER "LINUX_2.6"