build: FAILED conformance/definitions/sys/mman_h/21-1: build: FAILED: Compiler output: conformance/definitions/sys/mman_h/21-1.c:19:58: warning: declaration of 'struct posix_typed_mem_info' will not be visible outside of this function [-Wvisibility] typedef int (*posix_typed_mem_get_info_test)(int, struct posix_typed_mem_info *); ^ conformance/definitions/sys/mman_h/21-1.c:24:13: error: use of undeclared identifier 'posix_typed_mem_get_info' dummyvar = posix_typed_mem_get_info; ^ 1 warning and 1 error generated.