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#include <unistd.h> // fork, execlp
#include <sys/types.h> // pid_t
#include <sys/wait.h> // wait
#include <stdio.h> // printf
int main(int argc, char* argv[]) {
pid_t fork1 = fork();
pid_t fork2 = fork();
if (fork1 == 0) { // in child 1
execlp(argv[1], argv[1], (char*)NULL);
}
else if (fork2 == 0) { // in child 2
execlp(argv[2], argv[2], (char*)NULL);
}
else {
int firstStatus, secondStatus;
pid_t firstPID = wait(&firstStatus);
pid_t secondPID = wait(&secondStatus);
printf("%s %d\n", argv[1 + (firstPID != fork1)], firstStatus);
printf("%s %d\n", argv[1 + (secondPID != fork1)], secondStatus);
}
}
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