__FSEXT_get_function

Syntax

#include <sys/fsext.h>

__FSEXT_Function *__FSEXT_get_function(int _fd);

This function is part of the section File System Extensions. It is used internal to libc.a to redirect I/O requests to the appropriate extensions.

Example

_read(int fd, void *buf, int len)
{
  __FSEXT_Function *func = __FSEXT_get_function(fd);
  if (func)
  {
    int rv;
    if (func(__FSEXT_read, &rv, &fd))
      return rv;
  }
  /* rest of read() */
}

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