FREE(3) BSD Programmer's Manual FREE(3) NNAAMMEE ffrreeee - free up memory allocated with malloc, calloc or realloc SSYYNNOOPPSSIISS ##iinncclluuddee <<ssttddlliibb..hh>> _v_o_i_d ffrreeee(_v_o_i_d _*_p_t_r); DDEESSCCRRIIPPTTIIOONN The ffrreeee() function causes the space pointed to by _p_t_r to be deallocated, that is, made available for further allocation. If _p_t_r is a null point- er, no action occurs. Otherwise, if the argument does not match a point- er earlier returned by the calloc, malloc, or realloc function, or if the space has been deallocated by a call to ffrreeee() or realloc, general havoc may occur. RREETTUURRNN VVAALLUUEESS The ffrreeee() function returns no value. SSEEEE AALLSSOO calloc(3), malloc(3), realloc(3) SSTTAANNDDAARRDDSS The ffrreeee() function conforms to ANSI C X3.159-1989 (``ANSI C ''). 4.4BSD June 4, 1993 1