/usr/lib/grass64/include/grass/vect/dig_externs.h is in grass-dev 6.4.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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void *dig__alloc_space(int, int *, int, void *, int); /* returns NULL on error, calls calloc(), _frealloc() */
void *dig_falloc(int, int); /* exits on error, calls _falloc () */
void *dig_frealloc(void *, int, int, int); /* exits on error, calls _frealloc () */
void *dig__falloc(int, int); /* returns NULL on error, calls calloc () */
void *dig__frealloc(void *, int, int, int); /* returns NULL on error, calls calloc () */
int dig_init_list(struct ilist *);
int dig_list_add(struct ilist *, int);
char *color_name(int); /* pass it an int, returns the name of the color */
float dig_calc_begin_angle(struct line_pnts *, double);
float dig_calc_end_angle(struct line_pnts *, double);
int dig_line_degenerate(struct line_pnts *);
char *dig_float_point(char *, int, double);
/* double dig_point_in_area (struct Map_info *, double, double, struct P_area *); */
double dig_x_intersect(double, double, double, double, double);
double dig_distance2_point_to_line(double, double, double, double, double,
double, double, double, double, int,
double *, double *, double *, double *,
int *);
double dig_unit_conversion(void);
/* portable data routines - only to be called by library routines! */
double *dig__double_convert(double *, double *, int, struct dig_head *);
float *dig__float_convert(float *, float *, int, struct dig_head *);
short *dig__short_convert(short *in, short *out, int, struct dig_head *);
long *dig__long_convert(long *, long *, int, struct dig_head *);
long *dig__int_convert(int *, long *, int, struct dig_head *);
long *dig__plus_t_convert(plus_t *, long *, int, struct dig_head *);
int *dig__long_convert_to_int(long *, int *, int, struct dig_head *);
plus_t *dig__long_convert_to_plus_t(long *, plus_t *, int, struct dig_head *);
char *dig__convert_buffer(int);
plus_t **dig_get_cont_lines(struct Map_info *, plus_t, double, int);
plus_t dig_get_next_cont_line(struct Map_info *, plus_t, double, int);
struct dig_head *dig_get_head(void);
struct dig_head *dig__get_head(void);
void dig_init_portable(struct Port_info *, int);
int dig__byte_order_out();
/* int dig__set_cur_head (struct dig_head *); */
int dig_set_cur_port(struct Port_info *);
int dig__write_head(struct Map_info *);
int dig__read_head(struct Map_info *);
int dig__fread_port_D(double *, int, struct gvfile *);
int dig__fread_port_F(float *, int, struct gvfile *);
int dig__fread_port_L(long *, int, struct gvfile *);
int dig__fread_port_S(short *, int, struct gvfile *);
int dig__fread_port_I(int *, int, struct gvfile *);
int dig__fread_port_P(plus_t *, int, struct gvfile *);
int dig__fread_port_C(char *, int, struct gvfile *);
int dig__fwrite_port_D(double *, int, struct gvfile *);
int dig__fwrite_port_F(float *, int, struct gvfile *);
int dig__fwrite_port_L(long *, int, struct gvfile *);
int dig__fwrite_port_S(short *, int, struct gvfile *);
int dig__fwrite_port_I(int *, int, struct gvfile *);
int dig__fwrite_port_P(plus_t *, int, struct gvfile *);
int dig__fwrite_port_C(char *, int, struct gvfile *);
/******************************************************************************/
int dig_build_area_with_line(struct Plus_head *, plus_t, int, plus_t **);
plus_t dig_line_get_area(struct Plus_head *, plus_t, int);
int dig_line_set_area(struct Plus_head *, plus_t, int, plus_t);
int dig_add_area(struct Plus_head *, int, plus_t *);
int dig_area_add_isle(struct Plus_head *, int, int);
int dig_area_del_isle(struct Plus_head *, int, int);
int dig_del_area(struct Plus_head *, int);
int dig_angle_next_line(struct Plus_head *, plus_t, int, int);
/* int dig_area_bound_box (struct Map_info *, struct P_area *); */
int dig_bound_box2(struct line_pnts *, double *, double *, double *, double *,
long);
int dig_box_copy(struct bound_box *, struct bound_box *);
int dig_box_extend(struct bound_box *, struct bound_box *);
int dig_line_box(struct line_pnts *, struct bound_box *);
int dig_line_set_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_line_get_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_area_set_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_area_get_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_isle_set_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_isle_get_box(struct Plus_head *, plus_t, struct bound_box *);
int dig_is_line_degenerate(struct line_pnts *, double);
/* int dig_check_nodes (struct Map_info *, struct new_node *, struct line_pnts *);
int dig_in_area_bbox (struct P_area *, double, double); */
int dig_start_clock(long *);
int dig_stop_clock(long *);
char *dig_stop_clock_str(long *);
int dig_write_file_checks(struct gvfile *, struct Plus_head *);
int dig_do_file_checks(struct Map_info *, char *, char *);
/* int dig_find_area (struct Map_info *, struct P_area *, double *, double *, double *, double);
int dig_find_area2 (struct Map_info *, struct P_area *, double *); */
int dig_find_area_poly(struct line_pnts *, double *);
int dig_get_poly_points(int, struct line_pnts **, int *, struct line_pnts *);
int dig_add_isle(struct Plus_head *, int, plus_t *);
int dig_del_isle(struct Plus_head *, int);
int dig_set_distance_to_line_tolerance(double);
int dig_test_for_intersection(double, double, double, double, double, double,
double, double);
int dig_find_intersection(double, double, double, double, double, double,
double, double, double *, double *);
int dig_init_plus(struct Plus_head *);
void dig_free_plus_nodes(struct Plus_head *);
void dig_free_plus_lines(struct Plus_head *);
void dig_free_plus_areas(struct Plus_head *);
void dig_free_plus_isles(struct Plus_head *);
void dig_free_plus(struct Plus_head *);
int dig_load_plus(struct Plus_head *, struct gvfile *, int);
int dig_map_to_head(struct Map_info *, struct Plus_head *);
int dig_head_to_map(struct Plus_head *, struct Map_info *);
int dig_spindex_init(struct Plus_head *);
/* int dig_snap_line_to_node (struct Map_info *, int, int, struct line_pnts *); */
int dig_add_node(struct Plus_head *, double, double, double);
int dig_which_node(struct Plus_head *, double, double, double);
int dig_add_line(struct Plus_head *, int, struct line_pnts *,
long);
int dig_restore_line(struct Plus_head *, int, int, struct line_pnts *,
long);
int dig_del_line(struct Plus_head *, int);
int dig_node_add_line(struct Plus_head *, int, int, struct line_pnts *, int);
float dig_node_line_angle(struct Plus_head *, int, int);
int dig_node_angle_check(struct Plus_head *, int, int);
/* int dig_node_del_line (struct Plus_head *plus, int node, int line);
int dig_add_line_to_node (int, int, char, struct Map_info *, struct line_pnts *); */
int dig_point_to_area(struct Map_info *, double, double);
int dig_point_to_next_area(struct Map_info *, double, double, double *);
int dig_point_to_line(struct Map_info *, double, double, char);
/* list of updated */
void dig_line_reset_updated(struct Plus_head *Plus);
void dig_line_add_updated(struct Plus_head *Plus, int line);
void dig_node_reset_updated(struct Plus_head *Plus);
void dig_node_add_updated(struct Plus_head *Plus, int node);
/* conversion of types */
int dig_type_to_store(int);
int dig_type_from_store(int);
/* spatial index */
int dig_spidx_add_node(struct Plus_head *, int, double, double, double);
int dig_spidx_add_line(struct Plus_head *, int, struct bound_box *);
int dig_spidx_add_area(struct Plus_head *, int, struct bound_box *);
int dig_spidx_add_isle(struct Plus_head *, int, struct bound_box *);
int dig_spidx_del_node(struct Plus_head *, int);
int dig_spidx_del_line(struct Plus_head *, int);
int dig_spidx_del_area(struct Plus_head *, int);
int dig_spidx_del_isle(struct Plus_head *, int);
int dig_select_nodes(struct Plus_head *, struct bound_box *, struct ilist *);
int dig_select_lines(struct Plus_head *, struct bound_box *, struct ilist *);
int dig_select_areas(struct Plus_head *, struct bound_box *, struct ilist *);
int dig_select_isles(struct Plus_head *, struct bound_box *, struct ilist *);
int dig_find_node(struct Plus_head *, double, double, double);
int dig_spidx_init(struct Plus_head *);
void dig_spidx_free_nodes(struct Plus_head *);
void dig_spidx_free_lines(struct Plus_head *);
void dig_spidx_free_areas(struct Plus_head *);
void dig_spidx_free_isles(struct Plus_head *);
void dig_spidx_free(struct Plus_head *);
int dig_write_spidx(struct gvfile *, struct Plus_head *);
int dig_dump_spidx(FILE *, struct Plus_head *);
int dig_read_spidx(struct gvfile *, struct Plus_head *);
/* category index */
int dig_cidx_init(struct Plus_head *);
void dig_cidx_free(struct Plus_head *);
int dig_cidx_add_cat(struct Plus_head *, int, int, int, int);
int dig_cidx_add_cat_sorted(struct Plus_head *, int, int, int, int);
int dig_cidx_del_cat(struct Plus_head *, int, int, int, int);
void dig_cidx_sort(struct Plus_head *);
int dig_write_cidx_head(struct gvfile *, struct Plus_head *);
int dig_read_cidx_head(struct gvfile *, struct Plus_head *);
int dig_write_cidx(struct gvfile *, struct Plus_head *);
int dig_read_cidx(struct gvfile *, struct Plus_head *, int);
/* int dig_in_line_bbox (struct P_line *, double, double); */
int dig_check_dist(struct Map_info *, int, double, double, double *);
int dig__check_dist(struct Map_info *, struct line_pnts *, double, double,
double *);
/* int dig_center_check (struct P_line *, int, int, double, double); */
int dig_point_by_line(struct Map_info *, double, double, double, double,
char);
/* int dig_by_line_bbox (struct P_line *, double, double, double, double); */
int dig_prune(struct line_pnts *, double);
int dig_write_head_ascii(FILE *, struct dig_head *);
int dig_read_head_ascii(FILE *, struct dig_head *);
int dig_write_frmt_ascii(FILE *, struct Format_info *, int);
int dig_read_frmt_ascii(FILE *, struct Format_info *);
int dig_node_alloc_line(struct P_node *, int add);
int dig_alloc_nodes(struct Plus_head *, int);
int dig_alloc_lines(struct Plus_head *, int);
int dig_alloc_areas(struct Plus_head *, int);
int dig_alloc_isles(struct Plus_head *, int);
struct P_node *dig_alloc_node();
struct P_line *dig_alloc_line();
struct P_area *dig_alloc_area();
struct P_isle *dig_alloc_isle();
int dig_alloc_points(struct line_pnts *, int);
int dig_alloc_cats(struct line_cats *, int);
int dig_area_alloc_line(struct P_area *, int);
int dig_area_alloc_isle(struct P_area *, int);
int dig_isle_alloc_line(struct P_isle *, int);
int dig_out_of_memory(void);
int dig_struct_copy(void *, void *, int);
int dig_rmcr(char *);
int dig_write_plus_file(struct gvfile *, struct Plus_head *);
int dig_write_nodes(struct gvfile *, struct Plus_head *);
int dig_write_lines(struct gvfile *, struct Plus_head *);
int dig_write_areas(struct gvfile *, struct Plus_head *);
int dig_write_isles(struct gvfile *, struct Plus_head *);
int dig_Rd_P_node(struct Plus_head *, int i, struct gvfile *);
int dig_Wr_P_node(struct Plus_head *, int i, struct gvfile *);
int dig_Rd_P_line(struct Plus_head *, int i, struct gvfile *);
int dig_Wr_P_line(struct Plus_head *, int i, struct gvfile *);
int dig_Rd_P_area(struct Plus_head *, int i, struct gvfile *);
int dig_Wr_P_area(struct Plus_head *, int i, struct gvfile *);
int dig_Rd_P_isle(struct Plus_head *, int i, struct gvfile *);
int dig_Wr_P_isle(struct Plus_head *, int i, struct gvfile *);
int dig_Rd_Plus_head(struct gvfile *, struct Plus_head *);
int dig_Wr_Plus_head(struct gvfile *, struct Plus_head *);
/* file loaded to memory */
long dig_ftell(struct gvfile * file);
int dig_fseek(struct gvfile * file, long offset, int whence);
void dig_rewind(struct gvfile * file);
int dig_fflush(struct gvfile * file);
size_t dig_fread(void *ptr, size_t size, size_t nmemb, struct gvfile * file);
size_t dig_fwrite(void *ptr, size_t size, size_t nmemb, struct gvfile * file);
void dig_file_init(struct gvfile * file);
int dig_file_load(struct gvfile * file);
void dig_file_free(struct gvfile * file);
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