45   if (detail != NULL) {  in __bionic_format_dlerror()
54   const char* old_value = __bionic_set_dlerror(NULL);  in dlerror()
66   if (result == NULL) {  in dlopen()
68     return NULL;  in dlopen()
76   if (handle == NULL) {  in dlsym()
77     __bionic_format_dlerror("dlsym library handle is null", NULL);  in dlsym()
78     return NULL;  in dlsym()
80   if (symbol == NULL) {  in dlsym()
81     __bionic_format_dlerror("dlsym symbol name is null", NULL);  in dlsym()
82     return NULL;  in dlsym()
85   soinfo* found = NULL;  in dlsym()
86   Elf32_Sym* sym = NULL;  in dlsym()
88     sym = dlsym_linear_lookup(symbol, &found, NULL);  in dlsym()
93     sym = NULL;  in dlsym()
102   if (sym != NULL) {  in dlsym()
111     return NULL;  in dlsym()
114     return NULL;  in dlsym()
123   if (si == NULL) {  in dladdr()
135   if (sym != NULL) {  in dladdr()
177   ELF32_SYM_INITIALIZER(sizeof(ANDROID_LIBDL_STRTAB) - 1, NULL, 0),