memcheck
int memcheck; /* 1 when short forms used */
if (test_vectors[i].memcheck) {
if (test_vectors[i].memcheck) {
str = memcheck(realloc(start, len));
#define emalloc(size) memcheck(malloc(size))
#define ereallocarray(ptr, nmemb, size) memcheck(reallocarray(ptr, nmemb, size))
#define erealloc(ptr, size) memcheck(realloc((ptr), (size)))
#define ecpyalloc(ptr) memcheck(strdup(ptr))