The function incrementally writes data to a text file and returns the number of bytes written to the file.

fwrite() function

Explanation:

fwrite() function is a C programming function used to write to an open file. It writes the contents of string to the file stream pointed to by handle. It consists of Parameters such as handle, string and length and returns the number of bytes written, or FALSE on failure

i would first let him be aware that a cover letter is official and confidential and it requires a proper formatting so that the employer doesn't have hard time when going through it. he should write it in paragraphs of about two to four sentences and use proper grammar a , spelling and proper punctuation. i will also advice him not to be emotional and not also to use images.then base his attention to the details of the job described and not other things. that is he be specific to the responsibilities and to the employers requirements. on this he should make sure that the letter reflects how good he is for the requirements detailed by the employer

the letter should not be too long nor too short.