#include 
     
      #include 
      
       struct char_print_params{        char character;        int count;};void *char_print(void *parameters){        struct char_print_params *p = (struct char_print_params *)parameters;        int i;        for(i = 0; i < p->count; i++)        {                fputc(p->character,stderr);        }        return NULL;}int main(){        pthread_t thread1_id;        pthread_t thread2_id;        struct char_print_params thread1_args;         struct char_print_params thread2_args;         thread1_args.character = 'x';        thread1_args.count = 3000;        pthread_create(&thread1_id, NULL, &char_print, &thread1_args);        thread2_args.character = 'o';        thread2_args.count = 2000;        pthread_create(&thread2_id, NULL, &char_print, &thread2_args);        pthread_join(thread1_id, NULL);        pthread_join(thread2_id, NULL);        return 0;}