s_putc
s_putc(sp, c);
s_putc(to, (int)(unsigned int)*from);
s_putc(to, (int)(unsigned int)'\\');
s_putc(to, c);
s_putc(to, c);
s_putc(to, (int)(unsigned int)*from->ptr);
s_putc(to, (int)(unsigned int)'\n');
s_putc(to, c);
s_putc(to, (int)(unsigned int)*from->ptr);
s_putc(to, (int)(unsigned int)*from->ptr);
s_putc(to, (int)(unsigned int)*from->ptr);