diff options
Diffstat (limited to 'man3p/free.3p')
-rw-r--r-- | man3p/free.3p | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/man3p/free.3p b/man3p/free.3p new file mode 100644 index 000000000..cbd5e8506 --- /dev/null +++ b/man3p/free.3p @@ -0,0 +1,61 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "FREE" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" free +.SH NAME +free \- free allocated memory +.SH SYNOPSIS +.LP +\fB#include <stdlib.h> +.br +.sp +void free(void *\fP\fIptr\fP\fB); +.br +\fP +.SH DESCRIPTION +.LP +The \fIfree\fP() function shall cause the space pointed to by \fIptr\fP +to be deallocated; that is, made available for further +allocation. If \fIptr\fP is a null pointer, no action shall occur. +Otherwise, if the argument does not match a pointer earlier +returned by the \fIcalloc\fP(), \fImalloc\fP(), +\fIposix_memalign\fP(), \fIrealloc\fP(), or \fIstrdup\fP() function, +or if the space has been deallocated by a call to \fIfree\fP() or +\fIrealloc\fP(), the behavior is undefined. +.LP +Any use of a pointer that refers to freed space results in undefined +behavior. +.SH RETURN VALUE +.LP +The \fIfree\fP() function shall not return a value. +.SH ERRORS +.LP +No errors are defined. +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +There is now no requirement for the implementation to support the +inclusion of \fI<malloc.h>\fP. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIcalloc\fP() , \fImalloc\fP() , \fIrealloc\fP() , the Base Definitions +volume of IEEE\ Std\ 1003.1-2001, \fI<stdlib.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |