__has_attribute __has_builtin __has_extension __has_feature P99_ATLEAST P99_CONST_FUNCTION P99_DEPRECATED P99_EXPECT p99_extension P99_FIXED_REGISTER p99_has_attribute p99_has_builtin p99_has_extension p99_has_feature P99_IF_COMPILER p99_inline P99_LIKELY P99_MACRO_END P99_PARALLEL_PRAGMA P99_PURE_FUNCTION P99_SETJMP_INLINE P99_STRINGIFY P99_TENTATIVE_DEC P99_TENTATIVE_DEF P99_UNLIKELY P99_VECTOR P99_WARN_UNUSED_RESULT P99_WEAK static_inline

P99_WARN_UNUSED_RESULT #define P99_WARN_UNUSED_RESULT On architectures that support this, warn if the result of a function is not used. Definition at line 602 of file p99_compiler.h.