CS计算机代考程序代写 #include

#include
#include
#include
#include

int main(void)
{
pid_t pid;
char *cmd = “/bin/echo”;
char *args[] = { cmd, “ECS150”, NULL};

pid = fork();
if (pid == 0) {
/* Child */
execv(cmd, args);
perror(“execv”);
exit(1);
} else if (pid > 0) {
/* Parent */
int status;
waitpid(pid, &status, 0);
printf(“Child returned %d\n”,
WEXITSTATUS(status));
} else {
perror(“fork”);
exit(1);
}

return 0;
}