GL_STACK_ELEMENT 161 maint/gnulib/lib/stack.h #undef GL_STACK_ELEMENT GL_STACK_ELEMENT 29 maint/gnulib/tests/test-stack.c #define GL_STACK_ELEMENT int GL_STACK_ELEMENT 33 maint/gnulib/tests/test-stack.c #define GL_STACK_ELEMENT const char *