29    png_const_charp warning_message));
214 png_warning(png_structp png_ptr, png_const_charp warning_message)  in png_warning()  argument
224          if (*warning_message == PNG_LITERAL_SHARP)  in png_warning()
227                if (warning_message[offset] == ' ')  in png_warning()
233       (*(png_ptr->warning_fn))(png_ptr, warning_message + offset);  in png_warning()
235       png_default_warning(png_ptr, warning_message + offset);  in png_warning()
446 png_chunk_warning(png_structp png_ptr, png_const_charp warning_message)  in png_chunk_warning()  argument
450       png_warning(png_ptr, warning_message);  in png_chunk_warning()
454       png_format_buffer(png_ptr, msg, warning_message);  in png_chunk_warning()
593 png_default_warning(png_structp png_ptr, png_const_charp warning_message)  in png_default_warning()  argument
597    if (*warning_message == PNG_LITERAL_SHARP)  in png_default_warning()
603          warning_number[offset] = warning_message[offset + 1];  in png_default_warning()
604          if (warning_message[offset] == ' ')  in png_default_warning()
612              warning_number, warning_message + offset);  in png_default_warning()
619              warning_message);  in png_default_warning()
627       fprintf(stderr, "libpng warning: %s", warning_message);  in png_default_warning()
631    PNG_UNUSED(warning_message) /* Make compiler happy */  in png_default_warning()