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+.. _filters.h:
+
+**filters.h**
+
+
+libnvme directory filter
+
+.. c:function:: int nvme_namespace_filter (const struct dirent *d)
+
+   Filter for namespaces
+
+**Parameters**
+
+``const struct dirent *d``
+  dirent to check
+
+**Return**
+
+1 if **d** matches, 0 otherwise
+
+
+.. c:function:: int nvme_paths_filter (const struct dirent *d)
+
+   Filter for paths
+
+**Parameters**
+
+``const struct dirent *d``
+  dirent to check
+
+**Return**
+
+1 if **d** matches, 0 otherwise
+
+
+.. c:function:: int nvme_ctrls_filter (const struct dirent *d)
+
+   Filter for controllers
+
+**Parameters**
+
+``const struct dirent *d``
+  dirent to check
+
+**Return**
+
+1 if **d** matches, 0 otherwise
+
+
+.. c:function:: int nvme_subsys_filter (const struct dirent *d)
+
+   Filter for subsystems
+
+**Parameters**
+
+``const struct dirent *d``
+  dirent to check
+
+**Return**
+
+1 if **d** matches, 0 otherwise
+
+
+.. c:function:: int nvme_scan_subsystems (struct dirent ***subsys)
+
+   Scan for subsystems
+
+**Parameters**
+
+``struct dirent ***subsys``
+  Pointer to array of dirents
+
+**Return**
+
+number of entries in **subsys**
+
+
+.. c:function:: int nvme_scan_subsystem_namespaces (nvme_subsystem_t s, struct dirent ***ns)
+
+   Scan for namespaces in a subsystem
+
+**Parameters**
+
+``nvme_subsystem_t s``
+  Subsystem to scan
+
+``struct dirent ***ns``
+  Pointer to array of dirents
+
+**Return**
+
+number of entries in **ns**
+
+
+.. c:function:: int nvme_scan_ctrls (struct dirent ***ctrls)
+
+   Scan for controllers
+
+**Parameters**
+
+``struct dirent ***ctrls``
+  Pointer to array of dirents
+
+**Return**
+
+number of entries in **ctrls**
+
+
+.. c:function:: int nvme_scan_ctrl_namespace_paths (nvme_ctrl_t c, struct dirent ***paths)
+
+   Scan for namespace paths in a controller
+
+**Parameters**
+
+``nvme_ctrl_t c``
+  Controller to scan
+
+``struct dirent ***paths``
+  Pointer to array of dirents
+
+**Return**
+
+number of entries in **paths**
+
+
+.. c:function:: int nvme_scan_ctrl_namespaces (nvme_ctrl_t c, struct dirent ***ns)
+
+   Scan for namespaces in a controller
+
+**Parameters**
+
+``nvme_ctrl_t c``
+  Controller to scan
+
+``struct dirent ***ns``
+  Pointer to array of dirents
+
+**Return**
+
+number of entries in **ns**
+
+