-icalloc(nelem, elsize)
-int nelem;
-int elsize;
-{
- if (nelem == 0 || elsize == 0)
- nelem = elsize = 1;
- return calloc((size_t) nelem, (size_t) elsize);
-}
-
-void *
-irealloc(pointer, size)
-void * const pointer;
-const int size;
-{
- if (pointer == NULL)
- return imalloc(size);
- return realloc((void *) pointer, (size_t) nonzero(size));
-}
-
-char *
-icatalloc(old, new)
-char * const old;
-const char * const new;