getc

/*
 * See Zlib::GzipReader documentation for a description.
 */
static VALUE
rb_gzreader_getc(obj)
    VALUE obj;
{
    struct gzfile *gz = get_gzfile(obj);
    VALUE dst;

    dst = gzfile_read(gz, 1);
    if (!NIL_P(dst)) {
        dst = INT2FIX((unsigned int)(RSTRING(dst)->ptr[0]) & 0xff);
    }
    return dst;
}