C Open File In Binary Mode

Hatzigiannakis Nikos wrote: I have written the following code in DEV C++ but the produced file is a normal text file (you can type it in command line). I was expecting that the numeric values would have written in their binary internal representation and not as pure text. What have I done wrong?

C File I/O - Learn C programming in simple and easy steps starting. Open, close text or binary files for their. Opens a text file for writing in appending mode. File I/O operations take place in one of two translation modes, text or binary, depending on the mode in which the file is opened. Data files are usually processed in text mode. To control the file translation mode, one can: Retain the current default setting and specify the alternative mode only when you open selected files. If the stream is open in binary mode, the new position is exactly offset bytes measured from the beginning of the file if origin is SEEK_SET, from the current file position if origin is SEEK_CUR, and from the end of the file if origin is SEEK_END. Some binary streams may not support the SEEK_END. Rcpcore Msi File. Create,Read and Write a Binary File. There are generally two modes to access files: text and binary. In text mode. Then we are opening the file and reading.