pthread__getenv
value = pthread__getenv("PTHREAD_STACKSIZE");
for (p = pthread__getenv("PTHREAD_DIAGASSERT"); p && *p; p++) {
char *pthread__getenv(const char *) PTHREAD_HIDE;
if ((p = pthread__getenv("PTHREAD_NSPINS")) != NULL)
if ((pkm = pthread__getenv("PTHREAD_KEYS_MAX")) != NULL) {