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int pthread_create(pthread_t *restrict thread,
             
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#include <pthread.h>
#include <stdio.h>
/* Prints x’s to stderr. The parameter is unused. Does not return. */
void* print_xs (void* unused)
{
while (1)
fputc (‘x’, stderr);
return NULL;
}
/* The main program. */
int main ()
{
pthread_t thread_id;
/* Create a new thread. The new thread will run the print_xs
function. */
pthread_create (&thread_id, NULL, &print_xs, NULL);
/* Print o’s continuously to stderr. */
while (1)
fputc (‘o’, stderr);
return 0;
}
 
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