thread-create.c

#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;
}