Converts 32-bit quantities from network to host byte order.
#include <sys/byteorder.h> unsigned long ntohl ( unsigned long netlong);
(IN) Specifies a 32-bit quantity in network byte order.
Returns a value that has been converted from network to host byte order.
NOTE:Network data order places the most significant byte at the lower memory address, while host data order places the least significant byte at the lower address.