Manpage of CALLOC
CALLOC
Section: NEWLIB (3)
Updated: 2005 Feb 23
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NAME
1.10 `calloc'--allocate space for arrays
SYNOPSIS
#include <stdlib.h>
void *calloc(size_t N, size_t S);
void *calloc_r(void *REENT, size_t <n>, <size_t> S);
DESCRIPTION
Use `calloc' to request a block of memory sufficient to hold an array
of N elements, each of which has size S.
The memory allocated by `calloc' comes out of the same memory pool
used by `malloc', but the memory block is initialized to all zero
bytes. (To avoid the overhead of initializing the space, use `malloc'
instead.)
The alternate function `_calloc_r' is reentrant. The extra argument
REENT is a pointer to a reentrancy structure.
RETURNS
If successful, a pointer to the newly allocated space.
If unsuccessful, `NULL'.
PORTABILITY
`calloc' is ANSI.
Supporting OS subroutines required: `close', `fstat', `isatty',
`lseek', `read', `sbrk', `write'.
SEE ALSO
calloc
is part of the
libc
library.
The full documentation for
libc
is maintained as a Texinfo manual. If
info
and
libc
are properly installed at your site, the command
-
info libc
will give you access to the complete manual.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURNS
-
- PORTABILITY
-
- SEE ALSO
-
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