/usr/include/ofapi/of_externals.h is in libofapi-dev 0git20070620-6build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* (C) Copyright 2006, 2007 Alastair Poole. <alastairpoole@gmail.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#ifndef __OF_DEVICE_BY__
#define __OF_DEVICE_BY__
#define OF_SEARCH_NAME 0x01
#define OF_SEARCH_TYPE 0x02
#define OF_SEARCH_PHDL 0x03
struct device_node *_n_array[256];
int _n_idx;
int _n_sem;
struct device_node *_t_array[256];
int _t_idx;
int _t_sem;
struct device_node *_p_array[2];
int _p_sem;
int _p_idx;
void of_init(void);
void of_init_root(char *path);
struct device_node *of_find_node_by_type(const char *device_type, int type);
struct device_node *of_find_node_by_name(const char *name, int type);
struct device_node *of_find_node_by_path(const char *path);
struct device_node *of_find_node_by_phandle(uint32_t phandle);
struct device_node *of_get_parent(struct device_node *node);
void *of_find_property(struct device_node *node, const char *name, int *plen);
int of_test_property(struct device_node *node, const char *name);
int of_property_to_uint32(uint32_t *val, void *prop, uint32_t len);
int of_property_to_n_uint32(uint32_t *val, void *prop, uint32_t len, int n);
int of_property_to_n_uint64(uint64_t *val, void *prop, uint32_t len, int n);
struct device_node *of_find_type_devices(const char *device_type);
void of_find_type_devices_free(struct device_node *root);
#endif
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