Function xrealloc

botlib.c:219–226

}

void *xrealloc(void *ptr, size_t size) {
    void *p = realloc(ptr,size);
    if (p == NULL) {
        printf("Out of memory: realloc(%zu)", size);
        exit(1);
    }
    return p;
}

void xfree(void *ptr) {
    free(ptr);