_GL_ATTRIBUTE_NODISCARD 846 include/config.h # define _GL_ATTRIBUTE_NODISCARD [[__nodiscard__]] _GL_ATTRIBUTE_NODISCARD 848 include/config.h # define _GL_ATTRIBUTE_NODISCARD __attribute__ ((__warn_unused_result__)) _GL_ATTRIBUTE_NODISCARD 850 include/config.h # define _GL_ATTRIBUTE_NODISCARD