C programing help for convertion of ASCII to Hex..

[swatip]

Hiii..

How to write a C program for converting ASCII char into HEX numbers???
E.g. for char-'A' output is Hex-0x41 likewise..
Any one knows???

 

[tpetar]

Try this :

**broken link removed**


or try this :

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Code C - [expand]
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char hexDigit(unsigned n)
{
    if (n < 10) {
        return n + '0';
    } else {
        return (n - 10) + 'A';
    }
}
 
void charToHex(char c, char hex[3])
{
    hex[0] = hexDigit(c / 0x10);
    hex[1] = hexDigit(c % 0x10);
    hex[2] = '\0';
}

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https://stackoverflow.com/questions/3212848/how-to-convert-from-ascii-to-hex-and-vice-versa

 

[Emergency Lights]

Hi,
Try This code . I hope it will help you.

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Code C - [expand]
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char mychar='R';
 
char HEX1=mychar/16;
if (HEX1<=9) HEX1+='0';
else HEX1=HEX1-10+'A';
 
char HEX2=mychar%16;
if (HEX2<=9) HEX2+='0';
else HEX2=HEX2-10+'A'
 
cout << " Hex equivalent : " << HEX1 << HEX2;;

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