MEMORY(3)

NAME
malloc, free, realloc, calloc, alloca, mmap - general memory allocation operations

LIBRARY
libc

SYNOPSIS
#include <stdlib.h>
void *
malloc(size_t size);
void
free(void *ptr);
void *
realloc(void *ptr, size_t size);
void *
reallocarray(void *ptr, size_t nmbr, 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) reallocarray(3)

STANDARDS
These functions, with the exception of alloca() and mmap() conform to isoC.