env(3) env(3) NNAAMMEE env - manage the environment SSYYNNTTAAXX ##iinncclluuddee <> char **eennvviirroonn; char *eennvv__ggeett(_n_a_m_e); char *eennvv__ppiicckk(); char *_n_a_m_e; DDEESSCCRRIIPPTTIIOONN The environment, eennvviirroonn, is a 0-terminated array of 0-terminated strings, called environment variables. Each environment variable is of the form _n_a_m_e==_v_a_l_u_e. eennvv__ggeett returns the value of the first variable whose name is _n_a_m_e, or 0 if there is no such variable. eennvv__ppiicckk returns any variable in the environment, or 0 if the environ- ment is empty. SSEEEE AALLSSOO environ(7) env(3)