binary_subimage_copy_8 - copies a binary subimage that is a multiple                          of 8 bits wide. binary_subimage_copy_gt - special condition when copying a                           binary subimage. binary_subimage_copy_lt - special condition when copying a                           binary subimage. binary_subimage_copy_eq - special condition when copying a                           binary subimage. binary_subimage_copy - copies a binary subimage to another image                        at a specified location. binary_fill_partial - uses a logical operator to copy pixels from a                       location in one binary scanline to a location in                       another binary scanline. gb - gets a pixel from a binary scanline. sb - sets a pixel in a binary scanline. nandbinimage - logically NANDs two binary bitmaps together, returning                the results in a new image. binary_subimage_or_8 - uses a logical OR operator to copy a binary                        subimage that is a multiple of 8 bits wide. binary_subimage_or_gt - special condition when using a logical OR                         operator to copy a binary subimage. binary_subimage_or_lt - special condition when using a logical OR                         operator to copy a binary subimage. binary_subimage_or_eq - special condition when using a logical OR                         operator to copy a binary subimage. binary_subimage_or - uses a logical OR operator to copy a binary                      subimage to another image at a specified                      location. bits2bytes - promotes a binary image to a grayscale image.        destination pointer must be double-aligned.        not generalized by byte-order. build_blobls - allocates and initializes a list of blobs. alloc_blobls - allocates a list of blobs. free_blobls - deallocates a list of blobs including image data if not NULL. realloc_blobls - reallocates a list of blobs that has overflowed. append_blobls - adds a blob to the end of a blob list. merge_with_blobls - merges two blobs contained in a blob list and frees                 up the location of the source blob. merge_among_blobls - merges two blobs, each in a separate blob list, and frees                 up the location of the source blob. merge_blobs - composites two blobs back together according to their cut               corrdinates from their parent image. remove_blobls - removes a blob from its blob list at a specified location by                 sliding (collapsing) the contents of the list down in memory. init_blobls - sets up global blob list attributes. build_blob - allocates and initializes a blob given image data and attributes. dup_blob - returns a duplicate copy of the blob passed. update_blobls_stats - recomputes blob attributes specified by the flag passed                       across all the blobs in the list. compute_blob_stats - computes blob attributes specified by the flag passed. alloc_blob - allocates a blob structure without any allocation for image data. free_blob - deallocates a blob structure and its image data if not NULL. char2bin_blobls - converts all the blobs in a list containing binary char image                   data to one bit per pixel data. find_first_max_blob_memb - used in coordination with the blob_offsetof() macro,           this routine will find the maximum value for a specific blob attribute. compute_avr_blob_memb - used in coordination with the blob_offsetof() macro,           this routine computes the average value for a specific blob attribute. prct_blobls_memb - selects the specified percentile from the list of blob             attributes. median_blob_memb - finds median from the list of blob attributes. sort_blobls_on_memb - used in coordination with the blob_offsetof() macro,             this routine sorts a list of blobs on a specific blob attribute. is_blob_above - determines if one blob is above another. find_blob_nbrs - given a list of blobs sorted left-to-right, returns blobs to the                  left and right of a given blob. find_blob_ind_blob_nbrs - given a list of blobs and a sorted rank of the list,                  returns blobs to the left and right of a given blob. find_first_blob_inside - determines if a blob is inside one of the blobs                          contained in a list. blob_hori_overlaps - given a blob and a list of blobs, finds all those blobs                 that horizontally overlap the first blob and measures and stores                 the distance of the overlaps. bres_line_alloc - same as bres_line except if nalloc == 0 allocates new                   memory, or reallocs if nalloc is too small. bytes2bits - converts a grayscale image into a binary image. char2bin_exact - converts an binary character image to a binary                  bitmap byte-aligning the resulting image width. chr_x_hist - computes a horizontal spatial histogram from a              1 pixel per byte binary image. chr_y_hist - computes a vertical spatial histogram from a              1 pixel per byte binary image. pixelcnt8 - counts the number of black pixels in a binary character            stream, one byte per pixel, faster than pixelcnt. subpixelcnt8 - counts the number of black pixels in the specified subimage of                a binary character stream, one byte per pixel. pixelcnt - counts the number of black pixels in a binary character            image, one byte per pixel, same result as pixelcnt8. shift_row - takes a row of character pixels and shifts them left or             right by a given number of pixel into an output row. left_pix - locates the first nonzero pixel left-to-right in a given            row of character pixels and returns -1 if no pixel is found. char_top - locates the first row of pixels top-to-bottom in a character            image that contains a nonzero pixel and returns -1 if no            row is found. char_bottom - locates the first row of pixels bottom-to-top in a               character image that contains a nonzero pixel and               returns -1 if no row is found. find_corners - determines the box bounding the black pixels within                a binary bitmap based on histograms and thresholds. find_corners1 - finds the top left and width height of the bounding                 box of all pixels of a 1 bit per pixel 0/1 binary image find_corners8 - finds the top left and width height of the bounding                 box of all pixels of a 1 byte per pixel 0/1 char image  calc_skew - takes a 1 pixel per byte image and returns an angle             of skew in degrees. sumlineexps - calculates a sum exponentials of slanted row sums.                   used to determine angle of skew in the image. calc_trans - computes the disparity in x and y between "dominant"              structures in two images. find_trans_reg_points - locates dominant structures in an image. chk_trans_reg_points - computes and checks the dispairty in x and y. drawline8 - draws a line between two points in an 8-bit             grayscale image. drawline8_xor - draws a line using logical XOR onto an 8-bit per pixel                 binary image by interpolating between given endpoints.                 really flips the image pixels equal to XOR with 1. valid_point - determines if a point lies with the specified               dimensions. drawvertline8 - draws a vertically straight line in a binary char image. tstndrawvertline8 - draws a vertically straight line in a binary char              image and prempts itself is destination pixel already set              to non-zero. dribble_down_up - given an image and a starting x position, follows the gradients                   of character stroke edges from the top of the image down and                    from the bottom of the image up, stopping at minima points. dribble_down - starts at the top of the image at a specified x position and follows                edges downwards, stopping at a local minima. dribble_up - starts at the bottom of the image at a specified x position and follows                edges upwards, stopping at a local minima. sum_dys_left_down - given a starting point in an image, increments to the left a                specified window width measuring the distance down to the first                black pixel. sum_dys_right_down - given a starting point in an image, increments to the right a                specified window width measuring the distance down to the first                black pixel. sum_dys_left_up - given a starting point in an image, increments to the left a                specified window width measuring the distance up to the first                black pixel. sum_dys_right_up - given a starting point in an image, increments to the right a                specified window width measuring the distance up to the first                black pixel. send_feelers_look_down - from a specified point looks left and right to follow                the edge of a character stroke downwards. send_feelers_look_up - from a specified point looks left and right to follow                the edge of a character stroke upwards. look_left_down - looks for next step to the left down the edge of a                  character stroke. look_right_down - looks for next step to the right down the edge of a                   character stroke. look_left_up - looks for next step to the left up the edge of a                  character stroke. look_right_up - looks for next step to the right up the edge of a                   character stroke. findblob - finds a 4-connected blob of true pixels from within a            binary character image, returning the blob as a character            image. findblob8 - finds an 8-connected blob of true pixels from within a            binary character image, returning the blob as a character            image. findblobnruns - finds a 4-connected blob of true pixels from within a            binary character image, returning the blob as a character            image and the horizontal runs comprising the blob. findblobnruns8 - finds an 8-connected blob of true pixels from within a            binary character image, returning the blob as a character            image and the horizontal runs comprising the blob. findbinblob - finds a connected blob of true pixels from within a               binary character image, returning the blob as a binary               bitmap. findblob_stats_rw - finds a blob of true pixels in a binary char image                     (search row maj) and returns the blob "stats" findblob_stats_cl - finds a blob of true pixels in a binary char image