ATOI(3) BSD Programmer's Manual ATOI(3) NNAAMMEE aattooii - convert ASCII string to integer SSYYNNOOPPSSIISS ##iinncclluuddee <<ssttddlliibb..hh>> _i_n_t aattooii(_c_o_n_s_t _c_h_a_r _*_n_p_t_r); DDEESSCCRRIIPPTTIIOONN The aattooii() function converts the initial portion of the string pointed to by _n_p_t_r to _i_n_t_e_g_e_r representation. It is equivalent to: (int)strtol(nptr, (char **)NULL, 10); SSEEEE AALLSSOO atof(3), atol(3), strtod(3), strtol(3), strtoul(3) SSTTAANNDDAARRDDSS The aattooii() function conforms to ANSI C X3.159-1989 (``ANSI C ''). 4.4BSD June 4, 1993 1