void *malloc(size_t size);
void *calloc(size_t count,size_t size);
void *realloc(void *base,size_t nsize);
void free(void *base);
void *malloc(size_t size);
void *calloc(size_t count,size_t size);
void *realloc(void *base,size_t nsize);
void free(void *base);