1 .\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl)
3 .\" This is free documentation; you can redistribute it and/or
4 .\" modify it under the terms of the GNU General Public License as
5 .\" published by the Free Software Foundation; either version 2 of
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15 .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 .\" GNU General Public License for more details.
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23 .TH CFREE 3 2007-07-26 "" "Linux Programmer's Manual"
25 cfree \- free allocated memory
29 .B "#include <stdlib.h>"
32 .BI "int cfree(void *" ptr );
34 /* In glibc or FreeBSD libcompat */
35 .BI "void cfree(void *" ptr );
37 /* In SCO OpenServer */
38 .BI "void cfree(char *" ptr ", unsigned " num ", unsigned " size );
40 /* In Solaris watchmalloc.so.1 */
41 .BI "void cfree(void *" ptr ", size_t " nelem ", size_t " elsize );
45 Feature Test Macro Requirements for glibc (see
46 .BR feature_test_macros (7)):
50 _BSD_SOURCE || _SVID_SOURCE
52 This function should never be used.
57 In glibc, the function
61 "added for compatibility with SunOS".
63 Other systems have other functions with this name.
64 The declaration is sometimes in
69 Some SCO and Solaris versions have malloc libraries with a 3-argument
71 apparently as an analog to
74 If you need it while porting something, add
77 #define cfree(p, n, s) free((p))
82 A frequently asked question is "Can I use
84 to free memory allocated with
91 An SCO manual writes: "The cfree routine is provided for compliance
92 to the iBCSe2 standard and simply calls free.
94 arguments to cfree are not used."
98 (which is a synonym for
100 returns 1 on success and 0 on failure.
107 was not a pointer to a block previously allocated by
108 one of the routines in the
112 The 3-argument version of
114 as used by SCO conforms to the iBCSe2 standard:
115 Intel386 Binary Compatibility Specification, Edition 2.