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Lines Matching defs:io_ptr

54    if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
58 (png_FILE_p)png_ptr->io_ptr);
78 png_FILE_p io_ptr;
83 io_ptr = (png_FILE_p)CVT_PTR(png_ptr->io_ptr);
87 if ( !ReadFile((HANDLE)(png_ptr->io_ptr), data, length, &check, NULL) )
90 check = fread(n_data, 1, length, io_ptr);
103 if ( !ReadFile((HANDLE)(io_ptr), buf, read, &err, NULL) )
106 err = fread(buf, (png_size_t)1, read, io_ptr);
129 io_ptr - pointer to user supplied structure containing info about
138 png_set_read_fn(png_structp png_ptr, png_voidp io_ptr,
142 png_ptr->io_ptr = io_ptr;