#include <stdio.h> #include <unistd.h> #ifdef PROTOTYPES int main (void) #else main () #endif { int pid; pid = vfork (); if (pid == 0) { printf ("I'm the child!\n"); execlp ("gdb.base/vforked-prog", "gdb.base/vforked-prog", (char *)0); } else { printf ("I'm the proud parent of child #%d!\n", pid); } }