To: fighteer AT cs DOT com Cc: djgpp AT delorie DOT com Subject: Re: Help With Include Files.....PLEASE! Message-ID: <19970209.132720.7543.1.fwec@juno.com> References: <32FC8E53 DOT 77A4 AT praxis DOT net> <32FD0263 DOT 4DC1 AT cs DOT com> From: fwec AT juno DOT com (Mark T Logan) Date: Sun, 09 Feb 1997 13:21:39 EST SoMeOnE wrote: > > Thanks for reading this message....my problem is when I try to make >and > include file ( .h ) and include it in multiple C++ files...it comes >up > with an error on all int's and char's that they have already been > defined....I have always had this error with other compilers and I >know > it's me that's doing something wrong, not the compiler. If someone >could > reply to this and tell me what I am doing wrong, I would greatly > appreciate it.... > A neat trick you can try in order to avoid multiple declarations if that is your problem is........ -- file.h -- #ifndef file_h #define file_h #endif -- eof -- This way, a source file will never be compiled more than once. When it is compiled the compiler will define file_h, and then next time the file will be skipped because file_h is defined. -Fwec