__findenv
static char *__findenv(const char *name, int *offset);
if ((c = __findenv(name, &offset))) { /* find if already exists */
while (__findenv(name, &offset)) /* if set multiple times */
while (__findenv(name, &offset)) /* if set multiple times */
return (__findenv(name, &offset));
static char *__findenv __P((const char *, int *));
if ((c = __findenv(name, &offset))) { /* find if already exists */