memory(3) - Manual pages

NAME

malloc, free, realloc, calloc, alloca — general memory allocation operations

#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);

These functions allocate and free memory for the calling process. They are described in the individual manual pages.

These functions, with the exception of alloca() conform to ANSI X3.159-1989 (“ANSI C89”).