kopia lustrzana https://gitlab.com/sane-project/backends
273 wiersze
8.0 KiB
C
273 wiersze
8.0 KiB
C
#ifndef KODAK_H
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#define KODAK_H
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/*
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* Part of SANE - Scanner Access Now Easy.
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* Please see opening comment in kodak.c
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*/
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/* -------------------------------------------------------------------------
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* This option list has to contain all options for all scanners supported by
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* this driver. If a certain scanner cannot handle a certain option, there's
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* still the possibility to say so, later.
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*/
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enum kodak_Option
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{
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_SOURCE, /*front/back/duplex*/
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OPT_MODE, /*mono/ht/gray/color*/
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OPT_RES,
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OPT_GEOMETRY_GROUP,
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OPT_TL_X,
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OPT_TL_Y,
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OPT_BR_X,
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OPT_BR_Y,
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OPT_PAGE_WIDTH,
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OPT_PAGE_HEIGHT,
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OPT_ENHANCEMENT_GROUP,
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OPT_BRIGHTNESS,
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OPT_CONTRAST,
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OPT_THRESHOLD,
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OPT_RIF,
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/* must come last: */
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NUM_OPTIONS
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};
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struct scanner
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{
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during init of scanner. */
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struct scanner *next;
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char *device_name; /* The name of the scanner device for sane */
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during reading of config file. */
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int buffer_size;
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during inquiry probing of the scanner. */
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/* members in order found in scsi data... */
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SANE_Device sane;
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char vendor_name[9]; /* null-term data returned by SCSI inquiry.*/
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char product_name[17]; /* null-term data returned by SCSI inquiry.*/
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char version_name[5]; /* null-term data returned by SCSI inquiry.*/
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char build_name[3]; /* null-term data returned by SCSI inquiry.*/
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during INQUIRY probing of the scanner, */
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/* or in the init_model cleanup routine... */
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/* which modes scanner has */
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int s_mode[4];
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/* min and max resolution for each mode */
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int s_res_min[4];
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int s_res_max[4];
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/* in 1/1200th inches, NOT sane units */
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int s_width_min;
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int s_width_max;
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int s_length_min;
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int s_length_max;
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int s_brightness_steps;
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int s_contrast_steps;
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int s_threshold_steps;
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int s_rif;
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/* --------------------------------------------------------------------- */
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/* changeable SANE_Option structs provide our interface to frontend. */
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/* some options require lists of strings or numbers, we keep them here */
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/* instead of in global vars so that they can differ for each scanner */
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/* long array of option structs */
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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/*mode group*/
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SANE_String_Const o_source_list[4];
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SANE_String_Const o_mode_list[5];
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SANE_Int o_res_list[4][6];
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/*geometry group*/
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SANE_Range o_tl_x_range;
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SANE_Range o_tl_y_range;
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SANE_Range o_br_x_range;
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SANE_Range o_br_y_range;
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SANE_Range o_page_x_range;
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SANE_Range o_page_y_range;
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/*enhancement group*/
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SANE_Range o_brightness_range;
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SANE_Range o_contrast_range;
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SANE_Range o_threshold_range;
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/* --------------------------------------------------------------------- */
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/* changeable vars to hold user input. modified by SANE_Options above */
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/*mode group*/
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int u_mode; /* color,lineart,etc */
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int u_source; /* adf front,adf duplex,etc */
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int u_res; /* resolution in dpi */
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/*geometry group*/
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/* The desired size of the scan, all in 1/1200 inch */
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int u_tl_x;
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int u_tl_y;
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int u_br_x;
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int u_br_y;
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int u_page_width;
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int u_page_height;
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/*enhancement group*/
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int u_brightness;
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int u_contrast;
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int u_threshold;
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int u_rif;
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int u_compr;
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/* --------------------------------------------------------------------- */
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/* values which are set by the scanner's post-scan image header */
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int i_bytes;
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int i_id;
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int i_dpi;
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int i_tlx;
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int i_tly;
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int i_width;
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int i_length;
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int i_bpp;
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int i_compr;
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/* --------------------------------------------------------------------- */
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/* values which are set by scanning functions to keep track of pages, etc */
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int started;
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/* total to read/write */
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int bytes_tot;
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/* how far we have read */
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int bytes_rx;
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/* how far we have written */
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int bytes_tx;
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/* size of buffer */
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int bytes_buf;
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/* the buffer */
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unsigned char * buffer;
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/* --------------------------------------------------------------------- */
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/* values which used by the command and data sending functions (scsi/usb)*/
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int fd; /* The scanner device file descriptor. */
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size_t rs_info;
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};
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#define DEFAULT_BUFFER_SIZE 32768
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#define SIDE_FRONT 0
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#define SIDE_BACK 1
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#define SOURCE_ADF_FRONT 0
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#define SOURCE_ADF_BACK 1
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#define SOURCE_ADF_DUPLEX 2
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#define MODE_LINEART 0
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#define MODE_HALFTONE 1
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#define MODE_GRAYSCALE 2
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#define MODE_COLOR 3
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/* ------------------------------------------------------------------------- */
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#define MM_PER_INCH 25.4
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#define MM_PER_UNIT_UNFIX SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))
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#define MM_PER_UNIT_FIX SANE_FIX(SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0)))
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#define SCANNER_UNIT_TO_FIXED_MM(number) SANE_FIX((number) * MM_PER_UNIT_UNFIX)
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#define FIXED_MM_TO_SCANNER_UNIT(number) SANE_UNFIX(number) / MM_PER_UNIT_UNFIX
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#define KODAK_CONFIG_FILE "kodak.conf"
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#ifndef PATH_MAX
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# define PATH_MAX 1024
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#endif
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/* ------------------------------------------------------------------------- */
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SANE_Status sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize);
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SANE_Status sane_get_devices (const SANE_Device *** device_list,
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SANE_Bool local_only);
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SANE_Status sane_open (SANE_String_Const name, SANE_Handle * handle);
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SANE_Status sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking);
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SANE_Status sane_get_select_fd (SANE_Handle h, SANE_Int * fdp);
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const SANE_Option_Descriptor * sane_get_option_descriptor (SANE_Handle handle,
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SANE_Int option);
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SANE_Status sane_control_option (SANE_Handle handle, SANE_Int option,
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SANE_Action action, void *val,
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SANE_Int * info);
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SANE_Status sane_start (SANE_Handle handle);
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SANE_Status sane_get_parameters (SANE_Handle handle,
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SANE_Parameters * params);
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SANE_Status sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
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SANE_Int * len);
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void sane_cancel (SANE_Handle h);
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void sane_close (SANE_Handle h);
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void sane_exit (void);
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/* ------------------------------------------------------------------------- */
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static SANE_Status attach_one (const char *name);
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static SANE_Status connect_fd (struct scanner *s);
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static SANE_Status disconnect_fd (struct scanner *s);
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static SANE_Status sense_handler (int scsi_fd, u_char * result, void *arg);
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static SANE_Status init_inquire (struct scanner *s);
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static SANE_Status init_model (struct scanner *s);
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static SANE_Status init_user (struct scanner *s);
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static SANE_Status init_options (struct scanner *s);
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static SANE_Status
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do_cmd(struct scanner *s, int runRS, int shortTime,
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unsigned char * cmdBuff, size_t cmdLen,
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unsigned char * outBuff, size_t outLen,
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unsigned char * inBuff, size_t * inLen
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);
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#if 0 /* unused */
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static SANE_Status wait_scanner (struct scanner *s);
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#endif
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static SANE_Status do_cancel (struct scanner *scanner);
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static SANE_Status set_window (struct scanner *s);
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static SANE_Status read_imageheader(struct scanner *s);
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static SANE_Status send_sc(struct scanner *s);
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static SANE_Status read_from_scanner(struct scanner *s);
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static SANE_Status copy_buffer(struct scanner *s, unsigned char * buf, int len);
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static SANE_Status read_from_buffer(struct scanner *s, SANE_Byte * buf, SANE_Int max_len, SANE_Int * len);
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static void hexdump (int level, char *comment, unsigned char *p, int l);
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static size_t maxStringSize (const SANE_String_Const strings[]);
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#endif /* KODAK_H */
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