syntax error if the #define happens before stdlib.h is included. If abs is #defined, #undef and issue a warning. This is similar to what Tru64 UNIX does and is effectively the same as what happens on Solaris (though on Solaris the real abs() is a macro). |
22 years ago | |
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src | Some user header files may define an abs macro which will cause a | 22 years ago |