snipplets.dev/snipplets/code/C/thread.c

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/* https://www.geeksforgeeks.org/multithreading-in-c/ */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <pthread.h>
int g = 0;
void *my_thread(void *vargp) {
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int *id = (int *)vargp;
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static int s = 0;
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++s;
++g;
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printf("Thread ID: %d, Static: %d, Global: %d\n", *id, ++s, ++g);
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}
int main() {
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pthread_t tid;
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int i;
for (i = 0; i < 3; i++)
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pthread_create(&tid, NULL, my_thread, (void *)&tid);
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pthread_exit(NULL);
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return 0;
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}