Add missing function.

Author: Maxwell175

Embedded/np_embed.c

@@ -326,6 +326,17 @@ NP_DECL(int) np_close(int fd) {
   return 0;
 }
 
+NP_DECL(EFILE*) np_freopen(const char *filename, const char *mode, void *stream) {
+  if (NP_FOREIGN_PTR) {
+    return freopen(filename, mode, (FILE*)stream);
+  }
+  if (((EFILE*)e)->handle_type == EHANDLE_NATIVE) {
+    return freopen(filename, mode, ((EFILE*)stream)->f);
+  }
+
+  return NULL;
+}
+
 NP_DECL(EFILE*) np_tmpfile() {
   FILE* f = tmpfile();
   if (f == NULL)

Include/np_embed.h

@@ -298,7 +298,7 @@ NP_DECL(ssize_t) np_read(int fd, void *buf, size_t count);
 NP_DECL(ssize_t) np_pread(int fd, void *buf, size_t count, off_t offset);
 NP_DECL(int) np_fgetpos(void* e, fpos_t* pos);
 /* File Opening and Closing */
-NP_DECL(EFILE*) np_freopen(const char *filename, const char *mode, EFILE *stream);
+NP_DECL(EFILE*) np_freopen(const char *filename, const char *mode, void *stream);
 NP_DECL(EFILE*) np_fdopen(int fd, const char *mode);
 
 /* File Input Functions */