problem in the serial progrmming code!!!

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<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; list-style-type:none; color:#2a2a2a; line-height:15px; text-align:left
<span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:Helvetica,Verdana; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px; background-color:#f3f3f3; font-size:small Hello,
I am using Windows 7, the code i have written for serial programming is not receiving the data transmitted :when I connected a null modem to the serial port to read the string i wrote to the serial port but nothing is read on serial port. The program copiles,
builds and executes but i get error reading. <br style="font-family:Helvetica,Verdana; line-height:normal; background-color:#f3f3f3; font-size:small
<span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:Helvetica,Verdana; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px; background-color:#f3f3f3; font-size:small can
anybody help me please !!!
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; list-style-type:none; color:#2a2a2a; line-height:15px; text-align:left
<span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:Helvetica,Verdana; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px; background-color:#f3f3f3; font-size:small <span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px <span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; list-style-type:none; color:#2a2a2a; line-height:15px; text-align:left
<span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px <span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px
<p style="border-style:initial; border-color:initial; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; outline-style:initial; outline-color:initial; padding-right:0px; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; list-style-type:none; color:#2a2a2a; line-height:15px; text-align:left
<span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px <span style="border-top-width:0px; border-right-width:0px; border-bottom-width:0px; border-left-width:0px; border-style:initial; border-color:initial; font-style:inherit; font-family:inherit; margin-bottom:0px; outline-style:initial; outline-color:initial; padding-bottom:0px The
code i wrote is:
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left #include <windows.h><br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left #include <stdio.h>
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left int nread,nwrite;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left int main(int argc, char *argv[])<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left DCB dcb;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left HANDLE hCom;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left BOOL fSuccess;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left char *pcCommPort = "COM2";<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left char *words, *buffRead, *buffWrite;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left DWORD dwBytesWritten, dwBytesRead;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left hCom = CreateFile( pcCommPort, GENERIC_READ | GENERIC_WRITE, 0, // must be opened with exclusive-access<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left NULL, // no security attributes<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left OPEN_EXISTING, // must use OPEN_EXISTING<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left 0, // not overlapped I/O<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left NULL // hTemplate must be NULL for comm devices<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left );<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left if (hCom == INVALID_HANDLE_VALUE)<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // Handle the error.<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf ("CreateFile failed with error %d.n", GetLastError());<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left getch();<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left return (1);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // Build on the current configuration, and skip setting the size<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // of the input and output buffers with SetupComm.<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left fSuccess = GetCommState(hCom, &dcb);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left if (!fSuccess)<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // Handle the error.<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf ("GetCommState failed with error %d.n", GetLastError());<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left getch();<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left return (2);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // Fill in DCB: 57,600 bps, 8 data bits, no parity, and 1 stop bit.<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dcb.BaudRate = CBR_9600; // set the baud rate<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dcb.ByteSize = 8; // data size, xmit, and rcv<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dcb.Parity = NOPARITY; // no parity bit<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dcb.StopBits = ONESTOPBIT; // one stop bit<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left fSuccess = SetCommState(hCom, &dcb);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left if (!fSuccess)<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left // Handle the error.<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf ("SetCommState failed with error %d.n", GetLastError());<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left getch();<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left return (3);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf ("Serial port %s successfully reconfigured.n", pcCommPort);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left //****************Write Operation*********************//<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left //words = "This is a string to be written to serial port COM1";<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left words = "Ab";<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left nwrite = strlen(words);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left buffWrite = words;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dwBytesWritten = 0;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left if (!WriteFile(hCom, buffWrite, nwrite, &dwBytesWritten, NULL))<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf("error writing to output buffer n");<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf("Data written to write buffer is n %s n",buffWrite);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left //***************Read Operation******************//<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left //buffRead = 0;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left dwBytesRead = 0;<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left nread = strlen(words);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf ( "Nread = %dn",nread );<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left if (!ReadFile(hCom, buffRead, nread, &dwBytesRead, NULL))<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf("error reading from input buffer n");<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left else<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left {<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left printf("Data read from read buffer is n %s %dn",buffRead,dwBytesRead);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left }<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left getch();<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left CloseHandle(hCom); <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left return (0);<br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left <br style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left
<span style="color:#2a2a2a; font-family:Segoe UI,Lucida Grande,Verdana,Arial,Helvetica,sans-serif; line-height:15px; text-align:left } <hr class="sig BAA

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