toolchain/gcc/newlib/libc/errno/errno.c

   1 /* The errno variable is stored in the reentrancy structure.  This
   2    function returns its address for use by the macro errno defined in
   3    errno.h.  */
   4
   5 #include <errno.h>
   6 #include <reent.h>
   7
   8 #ifndef _REENT_ONLY
   9
  10 int *
  11 __errno ()
  12 {
  13   return &_REENT->_errno;
  14 }
  15
  16 #endif