aalib.c (aa_get_screen_height() ):

144 	if (c) {
145 		ZEND_FETCH_RESOURCE(ac, aa_context *, &c, c_id, "aa", le_aalib);
146 	}
147 
148 	RETURN_LONG(aa_scrheight(ac));
149 }

aalib.c (aa_get_screen_width() ):

154 PHP_FUNCTION(aa_get_screen_width)
155 {
156 	int argc = ZEND_NUM_ARGS();
157 	int c_id = -1;
158 	zval *c = NULL;
159 	aa_context *ac;
160 
161 	if (zend_parse_parameters(argc TSRMLS_CC, "r", &c) == FAILURE) 
162 		return;
163 
164 	if (c) {
165 		ZEND_FETCH_RESOURCE(ac, aa_context *, &c, c_id, "aa", le_aalib);
166 	}
167 
168 	RETURN_LONG(aa_scrwidth(ac));
169 }