long and unsigned are type-specifiers. They are accepted in a looping syntax such as declaration-specifiers (see the C grammar). Specifying long twice is simply redundant, and has no effect on the final type. -----Original Message----- From: gcc-help-owner@xxxxxxxxxxx [mailto:gcc-help-owner@xxxxxxxxxxx] On Behalf Of Zuxy Meng Sent: Tuesday, January 22, 2008 5:25 AM To: gcc-help@xxxxxxxxxxx Subject: Is 'long unsigned long' compliant to standard? Hi Gurus, GCC accepts it without any warning, but could anybody confirm it's guaranteed to work on any compliant compiler? -- Zuxy --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.762 / Virus Database: 510 - Release Date: 9/13/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.762 / Virus Database: 510 - Release Date: 9/13/2004
