test

mytest.c

#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
char **ptr;  /* global */

/* thread routine */
void *thread(void *vargp)
{
    int64_t myid = (int64_t)vargp;

    static int cnt = 0;
    
    printf("[%d]: %s (svar=%d)\n", 
         myid, ptr[myid], ++cnt);
}

int main()
{
    int i;
    pthread_t tid;
    char *msgs[2] = {
        "Hello from foo",
        "Hello from bar"
    };
    ptr = msgs;

    for (i = 0; i < 2; i++)
        pthread_create(&tid, 
            NULL, 
            thread, 
            (void *)i);


    pthread_exit(NULL);
}