Linux

int main(void)
{

(...)

    while (! done) {   

(...)
	
		int pid;
		
		pid = fork();				
				
		if(pid == 0){
			execvp(path, elmntpointer);		

		}else if(pid > 0){
			if(command->background)
				printf("%d Child Process Done\n", pid);
			else{
				wait(NULL);
				printf("%d Child Process Done\n", pid);
			}
			
			exit(0);
		}else{
			fprintf(stderr,"Fork Failed\n");
			printf("Fork Failed\n");
			exit(-1);
		}	
	    }
	}
	
	if(line)
	    free(line);
    }
    return 0;
}

pid = fork();				
				
		if(pid == 0){
			execvp(path, elmntpointer);		
                        /* YOU NEED ERROR HANDLING HERE -- if path is not found, for instance. Then you need an exit().  */

		}else if(pid > 0){
			if(command->background)
				printf("%d Child Process Done\n", pid);
			else{
				wait(NULL);
				printf("%d Child Process Done\n", pid);
			}
			/* THIS EXIT IS WRONG */
			exit(0);
		}else{
			fprintf(stderr,"Fork Failed\n");
			printf("Fork Failed\n");
                        /* THIS EXIT IS WRONG */
			exit(-1);
		}	
	    }