Here’s both a non-reentrant solution similar to inet_ntoa (), and a re-entrant solution similar to inet_ntoa_r (): If you are working on low level Kernel or driver stuff where the stdlib features cannot be used then it can be converted as follows. How to convert MAC address to string in C? Notation conventions for MAC addresses vary, most of which are covered within this tool. These addresses are used in many modern technologies, such as Ethernet and WiFi. Each network interface has a unique MAC address. Identifier given to a network interface that has been attached to a physical network segment.

Add these bytes (number) which is an integer value of an ASCII character to the output array. To convert an ASCII string to BYTE array, follow below-mentioned steps: How to convert an ASCII string to a byte?Įxtract characters from the input string and get the character’s value in integer/number format using %d format specifier, %d gives integer (number) i.e. C | Convert ASCII string to BYTE array: Here, we are going to learn how to convert a given string (that contains ascii characters) to its equivalent BYTE array in C? Given an ASCII string (char ) and we have to convert it into BYTE array (BYTE ) in C.

How to convert mac address