how do i write a c++ program ,to send and receive data from COM3 of my computer,i m using a turboc compiler
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how do i write a c++ program ,to send and receive data from COM3 of my computer,i m using a turboc compiler
if your os is MS-DOS then you will need to either write your own device driver (most likely in assembly language) or buy one -- there may be some old shareware drivers, but don't know for sure. google for "ms-dos device drivers" and you will get some help.
you cannot use win32 api functions with that ancient compiler.
Boy, you sure do know how to spam the board - answers elsewhere.