in C wäre es ein Funktionsaufruf:
Description
The C library function USBSTICK *copen(const char *stickname, const char
*mode) opens the cover of the usbstick pointed to, by stickname using
the given mode.
Declaration
Following is the declaration for copen() function.
USBSTICK *copen(const char *stickname, const char *mode)
Parameters
stickname − This is the C string containing the name of the stick to
be opened.
mode − This is the C string containing a stick access mode. It
includes −
mode Description
"v" Opens a stick for viewing. The stick must exist.
"d" Opens a stick for destroying. The stick must exist.
"c" Creates an empty stick without any electronical components inside.
If a stick with the same name already exists, its content is erased and
the stick is considered as a new empty stick.
"a" Appends randomly some electronical components to a stick. The
stick is created if it does not exist.
"r+" Opens a stick to update both viewing and destroying. The stick
must exist.
Return Value
This function returns a USBSTICK pointer. Otherwise, NULL is returned
and the global variable errno is set to indicate the error.