File: autoconf.info,  Node: Declarations,  Next: Structures,  Prev: Header Files,  Up: Existing Tests

5.7 Declarations
================

The following macros check for the declaration of variables and
functions.  If there is no macro specifically defined to check for a
symbol you need, then you can use the general macros (*note Generic
Declarations::) or, for more complex tests, you may use
‘AC_COMPILE_IFELSE’ (*note Running the Compiler::).

* Menu:

* Particular Declarations::     Macros to check for certain declarations
* Generic Declarations::        How to find other declarations