|GPC_PUTS() displays strings in text mode in both windowed and
in non-windowed environments. If the string needs to contain computed data,
use sprintf() and output the resulting string with GPC_PUTS().
For DOS, be sure that GraphiC is in text mode before calling this function,
or else it will not be displayed. And be sure to switch back to graphics
before any graphical output occurs. Also for DOS, GPC_PUTS() and
GPC_SPUTS() are identical.
In Windowed environments, GPC_PUTS() displays the text string
in a pop-up message box. The user must dismiss this box before the program