200 typedef struct UnixUnusedFd UnixUnusedFd;     /* An unused file descriptor */  typedef
208 struct UnixUnusedFd {  struct
211   UnixUnusedFd *pNext;      /* Next unused file descriptor on same file */  argument
228   UnixUnusedFd *pPreallocatedUnused;  /* Pre-allocated UnixUnusedFd */
1168   UnixUnusedFd *pUnused;            /* Unused file descriptors to close */
1307   UnixUnusedFd *p;  in closePendingFds()
1308   UnixUnusedFd *pNext;  in closePendingFds()
1887   UnixUnusedFd *p = pFile->pPreallocatedUnused;  in setPendingFd()
5914 static UnixUnusedFd *findReusableFd(const char *zPath, int flags){  in findReusableFd()
5915   UnixUnusedFd *pUnused = 0;  in findReusableFd()
5944       UnixUnusedFd **pp;  in findReusableFd()
6169     UnixUnusedFd *pUnused;  in unixOpen()
7050   UnixUnusedFd *pUnused = NULL;  in proxyCreateUnixFile()