177 
 178      These functions have been standardized by POSIX.  However, the 64-bit
 179      variants, ntohll(3C) and htonll(3C) are not standardized and may not be
 180      found on other systems.  For more information on these functions, see
 181      byteorder(3C).
 182 
 183      The second family of functions, endian(3C), provide a means to convert
 184      between the host's byte order and big-endian and little-endian
 185      specifically.  While these functions are similar to those in
 186      byteorder(3C), they more explicitly cover different data conversions.
 187      Like them, these functions operate on either 16-bit, 32-bit, or 64-bit
 188      values.  When converting from big-endian, to the host's endianness, the
 189      functions begin with betoh.  If instead, one is converting data from the
 190      host's native endianness to another, then it starts with htobe.  When
 191      working with little-endian data, the prefixes letoh and htole convert
 192      little-endian data to the host's endianness and from the host's to
 193      little-endian respectively.
 194 
 195      These functions are not standardized and the header they appear in varies
 196      between the BSDs and GNU/Linux.  Applications that wish to be portable,
 197      shoulda instead use the byteorder(3C) functions.
 198 
 199      All of these functions in both families simply return their input when
 200      the host's native byte order is the same as the desired order.  For
 201      example, when calling htonl(3C) on a big-endian system the original data
 202      is returned with no conversion or modification.
 203 
 204 SEE ALSO
 205      byteorder(3C), endian(3C), endian.h(3HEAD), inet(3HEAD)
 206 
 207 illumos                         August 2, 2018                         illumos

 177 
 178      These functions have been standardized by POSIX.  However, the 64-bit
 179      variants, ntohll(3C) and htonll(3C) are not standardized and may not be
 180      found on other systems.  For more information on these functions, see
 181      byteorder(3C).
 182 
 183      The second family of functions, endian(3C), provide a means to convert
 184      between the host's byte order and big-endian and little-endian
 185      specifically.  While these functions are similar to those in
 186      byteorder(3C), they more explicitly cover different data conversions.
 187      Like them, these functions operate on either 16-bit, 32-bit, or 64-bit
 188      values.  When converting from big-endian, to the host's endianness, the
 189      functions begin with betoh.  If instead, one is converting data from the
 190      host's native endianness to another, then it starts with htobe.  When
 191      working with little-endian data, the prefixes letoh and htole convert
 192      little-endian data to the host's endianness and from the host's to
 193      little-endian respectively.
 194 
 195      These functions are not standardized and the header they appear in varies
 196      between the BSDs and GNU/Linux.  Applications that wish to be portable,
 197      should instead use the byteorder(3C) functions.
 198 
 199      All of these functions in both families simply return their input when
 200      the host's native byte order is the same as the desired order.  For
 201      example, when calling htonl(3C) on a big-endian system the original data
 202      is returned with no conversion or modification.
 203 
 204 SEE ALSO
 205      byteorder(3C), endian(3C), endian.h(3HEAD), inet(3HEAD)
 206 
 207 illumos                         August 2, 2018                         illumos