#ifndef GC_THREADS#  define GC_THREADS#endif /* GC_THREADS */#include "leak_detector.h"#include <pthread.h>#include <stdio.h>void * test(void * arg) {    int *p[10];    int i;    GC_find_leak = 1; /* for new collect versions not compiled  */    /* with -DFIND_LEAK.                                        */    for (i = 0; i < 10; ++i) {        p[i] = malloc(sizeof(int)+i);    }    CHECK_LEAKS();    for (i = 1; i < 10; ++i) {        free(p[i]);    }    return 0;}       #define NTHREADS 5main() {    int i;    pthread_t t[NTHREADS];    int code;    GC_INIT();    for (i = 0; i < NTHREADS; ++i) {	if ((code = pthread_create(t + i, 0, test, 0)) != 0) {    	    printf("Thread creation failed %d\n", code);        }    }    for (i = 0; i < NTHREADS; ++i) {	if ((code = pthread_join(t[i], 0)) != 0) {            printf("Thread join failed %lu\n", code);        }    }    CHECK_LEAKS();    CHECK_LEAKS();    CHECK_LEAKS();    return 0;}