Fix build with php 8.
https://github.com/php/pecl-networking-geoip/commit/4f7c46c98eadc7bae9cc39c942ee626ecae7539e
--- geoip.c.orig
+++ geoip.c
@@ -34,41 +34,72 @@
 #include "ext/standard/info.h"
 #include "php_geoip.h"
 
-
+/* For PHP 8 */
+#ifndef TSRMLS_CC
+#define TSRMLS_CC
+#endif
 
 ZEND_DECLARE_MODULE_GLOBALS(geoip)
 
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_void, 0, 0, 0)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_database_opt, 0, 0, 0)
+	ZEND_ARG_INFO(0, database)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_database, 0, 0, 1)
+	ZEND_ARG_INFO(0, database)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_host, 0, 0, 1)
+	ZEND_ARG_INFO(0, host)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_region, 0, 0, 2)
+	ZEND_ARG_INFO(0, country_code)
+	ZEND_ARG_INFO(0, region_code)
+ZEND_END_ARG_INFO()
+
+ZEND_BEGIN_ARG_INFO_EX(arginfo_geoip_directory, 0, 0, 1)
+	ZEND_ARG_INFO(0, directory)
+ZEND_END_ARG_INFO()
+
 static int le_geoip;
 
 /* {{{ */
 zend_function_entry geoip_functions[] = {
-	PHP_FE(geoip_database_info,   NULL)   
+	PHP_FE(geoip_database_info,           arginfo_geoip_database_opt)   
 #define GEOIPDEF(php_func, c_func, db_type) \
-	PHP_FE(php_func,	NULL)
+	PHP_FE(php_func,	                  arginfo_geoip_host)
 #include "geoip.def"
 #undef GEOIPDEF
-	PHP_FE(geoip_continent_code_by_name,   NULL)
-	PHP_FE(geoip_org_by_name,   NULL)
-	PHP_FE(geoip_record_by_name,   NULL)
-	PHP_FE(geoip_id_by_name,   NULL)
-	PHP_FE(geoip_region_by_name,   NULL)
-	PHP_FE(geoip_isp_by_name,   NULL)
-	PHP_FE(geoip_db_avail,	NULL)
-	PHP_FE(geoip_db_get_all_info,	NULL)
-	PHP_FE(geoip_db_filename,	NULL)
+	PHP_FE(geoip_continent_code_by_name,   arginfo_geoip_host)
+	PHP_FE(geoip_org_by_name,              arginfo_geoip_host)
+	PHP_FE(geoip_record_by_name,           arginfo_geoip_host)
+	PHP_FE(geoip_id_by_name,               arginfo_geoip_host)
+	PHP_FE(geoip_region_by_name,           arginfo_geoip_host)
+	PHP_FE(geoip_isp_by_name,              arginfo_geoip_host)
+	PHP_FE(geoip_db_avail,	               arginfo_geoip_database)
+	PHP_FE(geoip_db_get_all_info,	       arginfo_geoip_void)
+	PHP_FE(geoip_db_filename,	           arginfo_geoip_database)
 #if LIBGEOIP_VERSION >= 1004001
-	PHP_FE(geoip_region_name_by_code,	NULL)
-	PHP_FE(geoip_time_zone_by_country_and_region,	NULL)
+	PHP_FE(geoip_region_name_by_code,      arginfo_geoip_region)
+	PHP_FE(geoip_time_zone_by_country_and_region,	arginfo_geoip_region)
 #endif
 #ifdef HAVE_CUSTOM_DIRECTORY
-    PHP_FE(geoip_setup_custom_directory,	NULL)
+    PHP_FE(geoip_setup_custom_directory,   arginfo_geoip_directory)
 #endif
-	PHP_FE(geoip_asnum_by_name,   NULL)
-	PHP_FE(geoip_domain_by_name,   NULL)
+	PHP_FE(geoip_asnum_by_name,            arginfo_geoip_host)
+	PHP_FE(geoip_domain_by_name,           arginfo_geoip_host)
 #if LIBGEOIP_VERSION >= 1004008
-	PHP_FE(geoip_netspeedcell_by_name, NULL)
+	PHP_FE(geoip_netspeedcell_by_name,     arginfo_geoip_host)
 #endif
+#ifdef PHP_FE_END
+	PHP_FE_END
+#else
 	{NULL, NULL, NULL}
+#endif
 };
 /* }}} */