exprmalloc
rv = exprmalloc(25);
(void) strcpy(rv = exprmalloc(8), ltoa(++i));
rv = exprmalloc(8);
(void) strcpy(rv = exprmalloc(8), ltoa(val = (long)ematch(s, p)));
rv = exprmalloc((unsigned)strlen(Mstring[0]) + 1);
tmptr1 = exprmalloc(nmatch + 1);
static void *exprmalloc(size_t size);