Here is the given code below, modify it to match the above requirement.

#include  int main( int argc, char* argv[] ) { // variable declaration int pid; int time; // get the user specified time if give. default 5 time = argv[1] ? atoi(argv[1]) : 5; // fork a process if ( (pid = fork())  0 ) { wait(); printf(" "); } // child prints hello once per second for time seconds else // ( pid1 == 0 ) { int counter = 0; // send SIGALARM in time seconds ___________ // while wating for the alarm, print hello once per second while(1) { printf("hello %d ", counter++); _____________ } } return 0; }