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#include < sys/types.h >
#include < unistd.h >

int glob = 6; /\* external variable in initialized data \*/
char buf\[\] = "ateksti writestdout to stdoutvirtaan\n";

int
 main(void)
< 0)perror("fork error");else if (pid == 0){ /* child */ glob++; /* modify variables */ var++; " >{ {
int var; /\* automatic variable on the stack \*/ =88;
pid_t pid; var = 88; 
if (write(STDOUT_FILENO, buf, sizeof(buf)-1) \!= sizeof(buf)-1) 
perror("write errorkirjoitusvirhe"); 
printf("beforeennen fork-funktiota\n"); /\* we don't flush stdout \*/ 
if ( (pid = fork()) < 0) 
perror("fork errorvirhe"); 
else if (pid == 0) 
{ /\* childlapsiprosessi \*/ glob++; /\* modifymodifioidaan variablesmuutujia \*/ var++; }
else
sleep(2); /\* parentvanhempi \*/

printf("pid=%d,glob=%d,var=%d\n",getpid(), glob, var);
exit(0);
}