1#include <stdio.h> 2#include <unistd.h> 3 4#ifdef PROTOTYPES 5void callee (int i) 6#else 7void callee (i) 8 int i; 9#endif 10{ 11 printf("callee: %d\n", i); 12} 13 14#ifdef PROTOTYPES 15int main (void) 16#else 17main () 18#endif 19{ 20 int pid; 21 int v = 5; 22 23 pid = fork (); 24 if (pid == 0) 25 { 26 v++; 27 /* printf ("I'm the child!\n"); */ 28 } 29 else 30 { 31 v--; 32 /* printf ("I'm the proud parent of child #%d!\n", pid); */ 33 } 34} 35