HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
int close( int fh )        - prototype in io.h        - closes file fh where fh is file handle from _creat(), creat(),          creatnew(), creattemp(), dup(), dup2(), _open(), or          open()        - use fdopen() to change file handle to file stream        - does not write a Ctrl-Z to a text file on closing        - returns 0 if OK; else -1 & errno may be set of EBADF
Esc or Alt-X to exit	close	Home/PgUp/PgDn/End ←↑↓→