__FSEXT_get_data

Syntax

#include <sys/fsext.h> void *__FSEXT_get_data(int _fd);

Description

This function is part of the File System Extensions. It is used to retrieve a descriptor-specific pointer that was previously stored by __FSEXT_set_data (see section __FSEXT_set_data). The pointer is not otherwise used.

See section __FSEXT_set_data, for an example of how this may be used.

Return Value

Returns the stored pointer, or NULL if there was an error (or no pointer had been stored).

Portability

ANSI/ISO C	No
POSIX	No