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-rw-r--r--docs/defines.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/docs/defines.txt b/docs/defines.txt
index 677335e2f..2af8f0cae 100644
--- a/docs/defines.txt
+++ b/docs/defines.txt
@@ -40,10 +40,15 @@ __USE_EXTERN_INLINES
out-of-line version of every inlined function in case user program
calls it instead of using an inline.
_EXTERN_INLINE
- Define it to replace "extern __inline" string in inline definitions
+ If not defined by user prior to #include, will be defined to
+ "extern inline" or equivalent. IOW, if user defines it prior
+ #include, it replaces "extern __inline" string in inline definitions
(those enabled by __USE_EXTERN_INLINES) with something else.
A few uclibc .c files use it to create non-inlined functions
by defining it to "".
+__extern_inline
+ Defined to "extern inline", modulo gcc/C standard deviations.
+ Can't be used by user to play tricks as with _EXTERN_INLINE.
_LIBC
UCLIBC_INTERNAL