Lines Matching refs:NULL
66 static myenv_t *myenvs = NULL;
76 for (e = environ; *e != NULL; e++) {
80 if (*e == NULL)
83 for (mye = myenvs; mye != NULL; mye = mye->next) {
85 if (mye->next != NULL)
87 if (mye->prev != NULL)
89 if (mye->next == NULL && mye->prev == NULL)
90 myenvs = NULL;
97 for ( ; *e != NULL; e++)
109 if (getenv(name) != NULL && !overwrite)
113 if (buffer == NULL)
122 if (mye == NULL)
126 mye->prev = NULL;
127 if (myenvs != NULL)