Error C4013

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Error C2371

removed. You’ll be auto redirected in 1 second. C/C++ Building Reference C/C++ Build Errors Compiler Warnings C4000 Through C4199 printf undefined; assuming extern returning int Compiler Warnings C4000 Through C4199 Compiler Warning (level 3) C4013 Compiler Warning (level 3) C4013 Compiler Warning (level 3) C4013 Compiler Warning (level 4) C4001 Compiler Warning (level 1) C4002 Compiler Warning

C4013: 'printf' Undefined; Assuming Extern Returning Int

(level 1) C4003 Compiler Warning (level 1) C4005 Compiler Warning (level 1) C4006 Compiler Warning (level 2) C4007 Compiler Warning (levels 2 and 3) C4008 Compiler Warning (level 1) C4010 Compiler Warning (level 3) C4013 Compiler Warning (level 1) C4015 Compiler Warning (level 3) C4018 Compiler Warning (level 4) C4019 Compiler Warning (level 1) C4020 Compiler Warning (level 1) C4022 Compiler Warning (level extern in c 3) C4023 Compiler Warning (level 1) C4024 Compiler Warning (level 1) C4025 Compiler Warning (level 1) C4026 Compiler Warning (level 1) C4027 Compiler Warning (level 1) C4028 Compiler Warning (level 1) C4029 Compiler Warning (level 1) C4030 Compiler Warning (level 1) C4031 Compiler Warning (level 4) C4032 Compiler Warning (level 1) C4033 Compiler Warning (level 1) C4034 Compiler Warning (level 1) C4036 Compiler Warning (level 1) C4038 Compiler Warning (level 1) C4041 Compiler Warning (level 1) C4042 Compiler Warning (level 1) C4045 Compiler Warning (level 1) C4047 Compiler Warning (level 1) C4048 Compiler Warning (level 1) C4049 Compiler Warning (level 2) C4051 Compiler Warning (level 1) C4052 Compiler Warning (level 4) C4053 Compiler Warning (level 1) C4054 Compiler Warning (level 1) C4055 Compiler Warning (level 2) C4056 Compiler Warning (level 4) C4057 Compiler Warning (level 4) C4061 Compiler Warning (level 4) C4062 Compiler Warning (level 3) C4066 Compiler Warning (level 1) C4067 Compiler Warning (level 1) C4068 Compiler Warning (level 3) C4073 Compiler Warning (level 1) C4074 Compiler Warning (level 1) C4075 Compiler Warning (level 1) C4076 Compiler Warning (level 1) C4077 Compiler Warning (level 1) C407

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 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Warning: C4013 in C lang up vote 0 down vote favorite #include #include void prints(char *menu) { int p = 0; p = https://msdn.microsoft.com/en-us/library/d3ct4kz9.aspx navigation(p, menu); } int navigation(int p, char *menu) { return p; } void main(void) { char *menu[] = {"data", "coming", "here"}; prints(*menu); printf("\n"); } How can i fix this the warning is: Warning 1 warning C4013: 'navigation' undefined; assuming extern returning int i:*\testingzone\index.c 9 c visual-studio-2010 share|improve this question asked Jul 22 '10 at 21:31 ScReYm0 751310 1 In some languages (python, PHP, JavaScript, others) you can declare functions which call other functions that aren't http://stackoverflow.com/questions/3313671/warning-c4013-in-c-lang defined yet, and all that matters is if the function is declared by the time you call the function that calls it... if you see what I mean. C isn't like that. –Cole Jul 22 '10 at 21:35 add a comment| 5 Answers 5 active oldest votes up vote 2 down vote Along with the other suggestions you've received to declare the function, in this case you can just rearrange the function definitions: #include #include int navigation(int p, char *menu) { return p; } void prints(char *menu) { int p = 0; p = navigation(p, menu); } int main(void) { char *menu[] = {"data", "coming", "here"}; prints(*menu); printf("\n"); return 0; } This isn't always possible though. In particular, you need to use a declaration when/if you have mutually recursive functions (A calls B and B also calls A). I've also fixed the undefined behavior from defining the wrong return type from main. share|improve this answer answered Jul 22 '10 at 21:48 Jerry Coffin 319k31352743 add a comment| up vote 1 down vote Declare functions before calling them. In your case you make an attempt to call navigation before declaring it. It is legal in C89/90, but usually results in compiler warning. C99 specification of C language requires declaration, meaning that your warning will turn into an error in C99. So, if you j

Programming Boards C Programming warning C4013...errrrrr! Getting started with C or C++ | C Tutorial http://cboard.cprogramming.com/c-programming/100619-warning-c4013-errrrrr.html | C++ Tutorial | C and C++ FAQ | Get a https://www.osronline.com/showthread.cfm?link=253836 compiler | Fixes for common problems Thread: warning C4013...errrrrr! Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 03-20-2008 #1 IndioDoido View Profile View Forum Posts Visit Homepage Registered User Join undefined; assuming Date Apr 2007 Posts 194 warning C4013...errrrrr! hi! warning C4013: 'printf' undefined; assuming extern returning int warning C4013: 'gets' undefined; assuming extern returning int i'm getting tierd of seeing these warnings, can anyone help me? here's the code where the warnings link to... Code: #include "medico.h" #include "estruturas.h" Medico inserirMedico() { Medico temp; int i; printf("\nNome: "); undefined; assuming extern //<-- warning C4013 gets(temp.nome); //<-- warning C4013 printf("\nMorada: "); //<-- warning C4013 gets(temp.morada); //<-- warning C4013 printf("\nContacto: "); //<-- warning C4013 gets(temp.contacto); //<-- warning C4013 printf("\nEspecialidade: "); //<-- warning C4013 gets(temp.especialidade); //<-- warning C4013 printf("\nID de Medico: "); //<-- warning C4013 gets(temp.idMedico); //<-- warning C4013 temp.numPacientes = 0; return temp; } "Artificial Intelligence usually beats natural stupidity." 03-20-2008 #2 Dino View Profile View Forum Posts Jack of many languages Join Date Nov 2007 Location Katy, Texas Posts 2,309 #include Mac and Windows cross platform programmer. Ruby lover. Quote of the Day 12/20: Mario F.:I never was, am not, and never will be, one to shut up in the face of something I think is fundamentally wrong. Amen brother! 03-20-2008 #3 IndioDoido View Profile View Forum Posts Visit Homepage Registered User Join Date Apr 2007 Posts 194 hi todd... Now i get 16 warnings: warning C4047: 'function' : 'const char *' differs in levels of indirection from 'char' warning C4024: 'gets' : different types for formal an

Custom training mixed with consulting and focused directly on your specific areas of interest/concern. Check us out. OSR, the Windows driver experts. Upcoming OSR Seminars: Writing WDF Drivers I: Core Concepts Lab, Nashua (Amherst), NH 3-7 October, 2016 Writing WDF Drivers II: Advanced Implementation Techniques Lab, Nashua (Amherst), NH 11-14 October, 2016 Kernel Debugging and Crash Analysis Lab, Nashua (Amherst), NH 17-21 October, 2016 Developing File Systems for Windows, Vancouver, BC 7-10 November, 2016 Windows Internals and Software Driver Development Lab, Nashua (Amherst), NH 14-18 November, 2016 Kernel Debugging and Crash Analysis Lab, Nashua (Amherst), NH 5-9 December, 2016 OSR Online Lists > ntdev WPP_CALL_ undefined for static kernel library Welcome, Guest You must login to post to this list Message 1 of 13 27 Feb 1400:51 Eric VanAlstine xxxxxx@hotmail.com Join Date: 06 Feb 2014 Posts To This List: 7 WPP_CALL_ undefined for static kernel library I need some help fixing a WPP compiler error - specifically that the trace function is not found. I've been following every bit of guidance I can find (osr, MDSN, NTDev) and can't seem to find the secret sauce. While I've been able get basic WPP working in a kernel driver, I'm now trying to add it to a static kernel library. I was trying to follow this MSDN page: http://msdn.microsoft.com/en-us/library/windows/hardware/ff546863(v=vs.85).aspx But that didn't seem to help with the compiler error. Also, for the project I'm working on, it's a large codebase and trying to include the libraries GUID and other info in a shared spot like the 2nd part of that MSDN page somewhat implies gets complicated. Therefore I figured I would just try to get the static library to have it's own (basic case) and then get fancy. I'm hoping someone with more WPP experience could spot where I went sideways. I've tried to make the relevant code generic enough to post here. I'm targeting the Win8 DDK - therefore MSBuild project vs some of the old sources/dirs. I've got m