NAME
malloc, free,
realloc, calloc,
alloca, mmap —
general memory allocation
operations
LIBRARY
library “libc”
SYNOPSIS
#include
<stdlib.h>
void *
malloc(size_t
size);
void
free(void
*ptr);
void *
realloc(void
*ptr, size_t
size);
void *
calloc(size_t
nelem, size_t
elsize);
void *
alloca(size_t
size);
#include
<sys/types.h>
#include <sys/mman.h>
void *
mmap(void
* addr, size_t len,
int prot,
int flags,
int fd,
off_t offset);
DESCRIPTION
These functions allocate and free memory for the calling process. They are described in the individual manual pages.SEE ALSO
mmap(2), alloca(3), calloc(3), free(3), malloc(3), realloc(3)
STANDARDS
These functions, with the exception of
alloca() and mmap() conform
to ISO/IEC 9899:1990
(“ISO C90”).