Home > error redefinition > error redefinition of typedef uintptr_t

error redefinition of typedef uintptr_t

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the typedef redefinition with different types xcode company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions

Typedef Undef

Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million duplicate typedef programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Avoiding “redefinition of typedef” warnings when defining structs up vote 0 down vote favorite 1 I'm defining some structs which

Typedef Forward Declaration

reference eachother, and typedef'ing the structs before using them, so each struct is 'aware' of the others (was getting compilation errors without this). Not sure if this is necessary, or correct. Now when compiling with gcc, I'm getting "redefinition of typedef" warnings. What's the correct way to go about this? typedef struct a A; typedef struct b B; typedef struct c C; struct a { B* list; A* parent; }; struct b { A* c typedef current; B* next; }; struct c { A* current; A* root; }; UPDATE: Dumb, bad copy-pasting resulted in this header being included twice in another file. I'm new to C and thought it must have something to do with having the structs in the file twice. Thanks @Kevin Ballard for the heads up. c gcc struct typedef share|improve this question edited Mar 13 '12 at 0:18 asked Mar 13 '12 at 0:04 Bort 5,07012040 4 "redefinition of typedef"? Are you sure you aren't importing the same header twice without header guards? –Kevin Ballard Mar 13 '12 at 0:09 1 This code compiles fine. Can you copy and paste your actual code please? –Timothy Jones Mar 13 '12 at 0:09 add a comment| 2 Answers 2 active oldest votes up vote 4 down vote accepted This is a good example of why header/include guards are needed: #ifndef MY_HEADER_FILE #define MY_HEADER_FILE typedef struct a A; typedef struct b B; /* ... */ #endif share|improve this answer answered Mar 13 '12 at 0:34 perreal 59.4k56999 add a comment| up vote 0 down vote There is no error in your code that I can see now that you have added the semi-colons. You can also just forward declare the types like so: struct b; struct c; typedef struct a

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and

Typedef Struct

policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes http://stackoverflow.com/questions/9676586/avoiding-redefinition-of-typedef-warnings-when-defining-structs a minute: Sign up error: redefinition of typedef in c up vote 2 down vote favorite 1 We have an assignment in school where we got a header file and we need to implement it. The header defines: typedef struct Board* BoardP; which to my understanding means the BoardP is a pointer to struct Board. Anyhow, my implementation is: typedef struct http://stackoverflow.com/questions/7076072/error-redefinition-of-typedef-in-c Board { int width; int height; char *board; } *BoardP; But i keep getting: Board.c:21: error: redefinition of typedef ‘BoardP’ Board.h:4: note: previous declaration of ‘BoardP’ was here Any ideas as to why this happens? Thanks! EDIT: another question. As you can see my struct hold an array of characters. When I write a constructor should I initialize (malloc(sizeof(height*width)) the array first and then the struct? And how about use of free()? Should I free the array first and then the struct? Thanks c struct share|improve this question edited Aug 16 '11 at 9:31 asked Aug 16 '11 at 9:24 yotamoo 1,76452548 1 As a side note, I think it's a bad idea to typedef pointers. I'd much rather just see typedef struct Board Board; and then use Board *. a) If it's a poiner, the user should know it's a pointer, so that they're more likely to remember that it probably needs cleaning up when they're done with it. b) If you need a pointer to const, simply using const Board * is much clearer than BoardCP. Whatever naming scheme

Message-ID: 005b01c611cd$6be893d0$ceff583d () desktop [Download message RAW] ----- http://marc.info/?l=mingw-users&m=113644788914213 Original Message ----- From: "Greg Chicares" To: Sent: Thursday, January 05, 2006 4:31 PM Subject: Re: [Mingw-users] stdint.h and typedef'ing the same symbol more than once > On 2006-1-5 4:03 UTC, Sisyphus wrote: > [original snipped] > > Here's a simplified but expanded testcase. error redefinition The question is why > typedefing a symbol multiple times elicits no diagnostic after > including (in the normal way) a system header that typedefs it. > > $cat typedef_multiple.c > #ifdef UH > # include > # include > #endif > > error redefinition of typedef int intptr_t; > typedef int intptr_t; > typedef unsigned char BYTE; > typedef unsigned char BYTE; > > $/MinGW-20050827/bin/gcc -c typedef_multiple.c > typedef_multiple.c:7: error: redefinition of typedef 'intptr_t' > typedef_multiple.c:6: error: previous declaration of 'intptr_t' was here > typedef_multiple.c:9: error: redefinition of typedef 'BYTE' > typedef_multiple.c:8: error: previous declaration of 'BYTE' was here > > $/MinGW-20050827/bin/gcc -c -DUH typedef_multiple.c > [no diagnostic] > A slight variation in typededf_multiple.c produces different behaviour: D:\>type typedef_multiple.c #ifdef UH # include # include #endif int main(void) { typedef int intptr_t; typedef int intptr_t; typedef unsigned char BYTE; typedef unsigned char BYTE; printf("OK\n"); return 0; } D:\>gcc -c -DUH typedef_multiple.c typedef_multiple.c: In function `main': typedef_multiple.c:8: error: redefinition of typedef 'intptr_t' typedef_multiple.c:7: error: previous declaration of 'intptr_t' was here typedef_multiple.c:10: error: redefinition of typedef 'BYTE' typedef_multiple.c:9: error: pr

 

Related content

c programming error redefinition of

c programming error redefinition of p here for a quick overview of the site Help Center Detailed answers to any questions you error redefinition of class c might have Meta Discuss the workings and policies of this site Error Redefinition Of Typedef About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting error redefinition of typedef gliststore ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of Error Redefinition Of class million programmers just like you helping

c compile error redefinition

c compile error redefinition p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and error redefinition of class c policies of this site About Us Learn more about Stack Overflow the Error Redefinition Of Typedef company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags error redefinition of typedef gliststore Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it

c error redefinition

c error redefinition p here for a quick overview of the site Help Center Detailed answers to any questions error redefinition of struct node you might have Meta Discuss the workings and policies of this Error Redefinition Of Class C site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers error redefinition of typedef or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a Error Redefinition Of Typedef gliststore community of million programmers just like you helping each

compile error redefinition

compile error redefinition p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings error redefinition of typedef and policies of this site About Us Learn more about Stack Overflow Error Redefinition Of Typedef gliststore the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation error redefinition of class Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it error redefinition

apache make error redefinition

apache make error redefinition p contribution towards the costs the time error redefinition of typedef gliststore and effort that's going in this site and building Thank You error redefinition of class Steffen Apache Lounge is not sponsored by anyone Your donations will help to keep this site alive and well Error Redefinition Of class and continuing the building of the binaries Compilation problem with Apache configuration LDAP Apache Forum Index - Apache Building Member Downloads View previous topic View next topic Author Message sasi Joined Error Redefinition Of C Jun Posts Location USA CT Posted Mon Jun ' Post subject

error redefinition of nion semun

error redefinition of nion semun p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes a minute Sign up Compilation error Redefinition of union name up

error redefinition different linkage

error redefinition different linkage p here for a quick overview of the site Help Center Detailed error redefinition of typedef answers to any questions you might have Meta Discuss the Error Redefinition Of Typedef gliststore workings and policies of this site About Us Learn more about Stack Overflow the company error redefinition of class Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error redefinition of class the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other

error redefinition of stat

error redefinition of stat p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies error redefinition of typedef of this site About Us Learn more about Stack Overflow the company Business error redefinition of typedef gliststore Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges error redefinition of class Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only

error redefinition of struct in6_addr

error redefinition of struct in addr p Miller davem davemloft net Cc libc-alpha sourceware org amwang redhat com yoshfuji linux-ipv org netdev vger kernel org linux-kernel vger kernel org libvirt-list redhat com tgraf suug ch schwab suse de bhutchings solarflare com vapier gentoo org tmb mageia org Subject Re libvirt Redefinition of struct in addr in netinet in h and linux in h Date Wed Jan - On PM David Miller wrote From Mike Frysinger vapier gentoo org Date Wed Jan - certainly true but the current expectation is that you don't mix your ABIs if you're programming with the

error redefinition of

error redefinition of p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes a minute Sign up GCC compiler error ldquo redefinition hellip previously defined rdquo

error redefinition

error redefinition p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Error Redefinition Of Typedef Learn more about Stack Overflow the company Business Learn more about hiring developers error redefinition of class or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Error Redefinition Of class Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes a minute

error redefinition of previously declared here

error redefinition of previously declared here p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes a minute Sign up Redefinition of hellip previously declared here

error redefinition different storage class

error redefinition different storage class p resources Windows Server resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community error redefinition of class c Magazine Forums Blogs Channel Documentation APIs and reference Dev centers error redefinition of class Retired content Samples We re sorry The content you requested has been removed You ll be auto redirected error redefinition of typedef in second C C Building Reference C C Build Errors Compiler Errors C Through C Compiler Errors C Through C Compiler Error C Compiler Error C Compiler Error Redefinition Of Typedef gliststore

error redefinition of group name

error redefinition of group name p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this error redefinition of typedef site About Us Learn more about Stack Overflow the company Business Learn error redefinition of typedef gliststore more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question Error Redefinition Of class x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it

error redefinition of function c

error redefinition of function c p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about error redefinition of class c Stack Overflow the company Business Learn more about hiring developers or posting ads Error Redefinition Of Typedef with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow Error Redefinition Of Typedef gliststore is a community of million programmers just like you helping each other Join them

error redefinition of main

error redefinition of main p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Error Redefinition Of Typedef Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is error redefinition of typedef gliststore a community of million programmers just like you helping each other Join them it only takes a minute Sign

error redefinition of truct timespec

error redefinition of truct timespec p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes a minute Sign up resolving redefinition of timespec in time h

error redefinition function

error redefinition function p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about Redefinition Of Function Error In C hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges error redefinition of typedef Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each error redefinition of typedef gliststore other Join them it

error redefinition different basic types

error redefinition different basic types p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site error redefinition of typedef About Us Learn more about Stack Overflow the company Business Learn more about Error Redefinition Of Typedef gliststore hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error redefinition of class the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it

error redefinition of operator

error redefinition of operator p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss error redefinition of typedef the workings and policies of this site About Us Learn more about Error Redefinition Of Typedef gliststore Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow error redefinition of class Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each Error Redefinition Of class other

error redefinition of template class

error redefinition of template class p here for a quick overview of the site Help Center Detailed answers to any questions you might have error redefinition of class c Meta Discuss the workings and policies of this site About Us Error Redefinition Of class Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with error redefinition of typedef us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just error redefinition of typedef gliststore like you helping

error redefinition make

error redefinition make p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers error redefinition of typedef or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x error redefinition of typedef gliststore Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it error redefinition of class only takes

error redefinition different

error redefinition different p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About error redefinition of typedef Us Learn more about Stack Overflow the company Business Learn more about hiring Error Redefinition Of Typedef gliststore developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join error redefinition of class the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only takes

error redefinition in c

error redefinition in c p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Error Redefinition Of Class C Stack Overflow the company Business Learn more about hiring developers or posting ads error redefinition of typedef with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow Error Redefinition Of Typedef gliststore is a community of million programmers just like you helping each other Join them it

gcc error redefinition struct

Gcc Error Redefinition Struct p here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of error redefinition of c this site About Us Learn more about Stack Overflow the company Business Error Redefinition Of C Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask c error redefinition of function Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of million programmers just like you helping each other Join them it only