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.TH PRIVALLOC 2
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.SH NAME
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privalloc, privfree \- per-process private storage management
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.SH SYNOPSIS
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.B #include <u.h>
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.br
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.B #include <libc.h>
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.ta \w'voidmmm'u
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.PP
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.B
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void**	privalloc(void)
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.PP
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.B
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void	privfree(void **p)
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.SH DESCRIPTION
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.I Privalloc
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returns a pointer to a per-process private storage location.
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The location is not shared among processes,
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even if they share the same data segments.
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It returns
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.B nil
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if there are no free slots available.
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.PP
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.I Privfree
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releases a location allocated with
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.IR privalloc .
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It is legal to call
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.I privfree
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with
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.I p
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set to
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.BR nil .
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.SH SOURCE
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.B /sys/src/libc/9sys/privalloc.c
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.SH SEE ALSO
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.IR exec (2)