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document internal_function

Denis Vlasenko 15 years ago
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9ffbd8cdf7
1 changed files with 5 additions and 0 deletions
  1. 5 0
      docs/defines.txt

+ 5 - 0
docs/defines.txt

@@ -49,6 +49,11 @@ _EXTERN_INLINE
 __extern_inline
     Defined to "extern inline", modulo gcc/C standard deviations.
     Can't be used by user to play tricks as with _EXTERN_INLINE.
+internal_function
+    Used to modify function's calling convention, if "standard" one
+    is suboptimal. Examples:
+	int func(params) internal_function;
+	int internal_function func(params) { body }
 
 _LIBC
 UCLIBC_INTERNAL