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htonl(3) Library Functions Manual htonl(3) NAME
htonl - Converts an unsigned 32-bit integer from host byte order to Internet network-byte order LIBRARY
Standard C Library (libc.so, libc.a) SYNOPSIS
#include <arpa/inet.h> in_addr_t htonl ( in_addr_t hostint) ; STANDARDS
Interfaces documented on this reference page conform to industry standards as follows: htonl(): XNS4.0 Refer to the standards(5) reference page for more information about industry standards and associated tags. PARAMETERS
Specifies a 32-bit integer in host byte order. DESCRIPTION
The htonl() (host-to-network long) function converts an unsigned 32-bit integer from host byte order to Internet network-byte order. The Internet network requires address and port reference data in network-byte order. Use the htonl() function to convert address and port integers from Internet host byte order to Internet network-byte ordered integers. RETURN VALUES
Upon successful completion, the htonl() function returns a 32-bit integer in Internet network-byte order. ERRORS
Current industry standards do not define error values for the htonl() function. RELATED INFORMATION
Functions: endhostent(3), endservent(3), htons(3), ntohl(3), ntohs(3) Standards: standards(5) Network Programmer's Guide delim off htonl(3)