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

fusl/include/wordexp.h

+#ifndef _WORDEXP_H
+#define _WORDEXP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#define __NEED_size_t
+
+#include <bits/alltypes.h>
+
+#define WRDE_DOOFFS  1
+#define WRDE_APPEND  2
+#define WRDE_NOCMD   4
+#define WRDE_REUSE   8
+#define WRDE_SHOWERR 16
+#define WRDE_UNDEF   32
+
+typedef struct
+{
+        size_t we_wordc;
+        char **we_wordv;
+        size_t we_offs;
+} wordexp_t;
+
+#define WRDE_NOSYS   -1
+#define WRDE_NOSPACE 1
+#define WRDE_BADCHAR 2
+#define WRDE_BADVAL  3
+#define WRDE_CMDSUB  4
+#define WRDE_SYNTAX  5
+
+int wordexp (const char *__restrict, wordexp_t *__restrict, int);
+void wordfree (wordexp_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif