C Warning - incompatible implicit declaration of built-in function ‘memcpy’ [enabled by default]

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Hi,

For some reason I am having the warning incompatible implicit declaration of built-in function ‘memcpy’ [enabled by default]

The code is as simple as

void* p_TelecommandData // This is an input variable
OBCP_PLAN_ID_T t_PlanId;
memcpy((void*)&t_PlanId, p_TelecommandData, sizeof(OBCP_PLAN_ID_T));

I am including

strings.h

Thanks for your help

Posted 28-Jul-13 22:38pm

GiZmoDragonBack

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nv3 29-Jul-13 4:54am

Does this code sit outside of any function? Then it doesn't call memcpy, but looks to the compiler as if you were trying to declare your own function memcpy.

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User 59241 · Accepted Answer · 2013-07-28T22:58:00

Solution 1

Assuming you are using MSVC - If you check the documentation you will see that you need

C++

#include <string.h>

http://msdn.microsoft.com/en-us/library/dswaw1wk(v=vs.80).aspx[^]

Posted 28-Jul-13 22:58pm

User 59241

Updated 28-Jul-13 23:00pm

v2

Comments

CPallini 29-Jul-13 5:16am

5.

GiZmoDragonBack 29-Jul-13 5:52am

Indeed, the problem was that I was including strings.h and not string.h