__findenv
char *__findenv(const char *, int, int *);
return (__findenv(name, (int)(np - name), &offset));
if ((C = __findenv(name, (int)(np - name), &offset)) != NULL) {
while (__findenv(name, (int)(np - name), &tmpoff)) {
while (__findenv(name, (int)(np - name), &offset)) {
if (__findenv(str, (int)(cp - str), &offset) != NULL) {
while (__findenv(str, (int)(cp - str), &offset)) {