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	tventi-mem.3 - plan9port - [fork] Plan 9 from user space
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	tventi-mem.3 (1023B)
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	1 .TH VENTI-MEM 3
	2 .SH NAME
	3 vtbrk,
	4 vtmalloc,
	5 vtmallocz,
	6 vtrealloc,
	7 vtstrdup,
	8 vtfree \- error-checking memory allocators
	9 .SH SYNOPSIS
	10 .ft L
	11 #include <u.h>
	12 .br
	13 #include <libc.h>
	14 .br
	15 #include <venti.h>
	16 .ta +\w'\fLvoid* 'u
	17 .PP
	18 .B
	19 void* vtbrk(int size)
	20 .PP
	21 .B
	22 void* vtmalloc(int size)
	23 .PP
	24 .B
	25 void* vtmallocz(int size)
	26 .PP
	27 .B
	28 void* vtrealloc(void *ptr, int size)
	29 .PP
	30 .B
	31 char* vtstrdup(char *s)
	32 .PP
	33 .B
	34 void vtfree(void *ptr)
	35 .SH DESCRIPTION
	36 These routines allocate and free memory.
	37 On failure, they print an error message and call
	38 .MR sysfatal (3) .
	39 They do not return.
	40 .PP
	41 .I Vtbrk
	42 returns a pointer to a new, permanently allocated block of at least
	43 .I size
	44 bytes.
	45 .PP
	46 .IR Vtmalloc ,
	47 .IR vtrealloc ,
	48 and
	49 .I vtstrdup
	50 are like
	51 .IR malloc ,
	52 .IR realloc ,
	53 and
	54 .IR strdup ,
	55 but, as noted above, do not return on error.
	56 .I Vtmallocz
	57 is like
	58 .I vtmalloc
	59 but zeros the block before returning it.
	60 Memory allocated with all four should be freed with
	61 .I vtfree
	62 when no longer needed.
	63 .SH SOURCE
	64 .B \*9/src/libventi
	65 .SH SEE ALSO
	66 .MR venti (3)