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int pthread_create(pthread_t *tid, const pthread_attr_t *tattr,
void*(*start_routine)(void *), void *arg);
#include <pthread.h>
pthread_attr_t() tattr;
pthread_t tid;
extern void *start_routine(void *arg);
void *arg;
int ret;
/* default behavior*/
ret = pthread_create(&tid, NULL, start_routine, arg);
/* initialized with default attributes */
ret = pthread_attr_init(&tattr);
/* default behavior specified*/
ret = pthread_create(&tid, &tattr, start_routine, arg);
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int pthread_join(thread_t tid, void **status);
#include <pthread
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