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I get "implicit declaration of function 'strncmp' isinvalid in C99" when use strncmp (xcode 4/ gcc version 4.2.1) How to avoid this ?
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Function name typo: Often the function name of the declaration does not exactly match the function name that is being called. For example, startBenchmark() is declared while StartBenchmark() is being called. I recommend to fix this by copy-&-pasting the function name from the declaration to wherever you call it.
implicit declaration of function. So what does the gcc warning 'implicit declaration of function' mean (other compiler report a 'implicit parameter declaration')? Basically it means that the compiler has found a call to function for which he does not have a prototype.
If a name appears in a program and is not explicitly declared, it is implicitly declared. The scope of an implicit declaration is determined as if the name were declared in a DECLARE statement immediately following the PROCEDURE statement of the external procedure in which the name is used.
From the strncmp(3) man page:
#include <string.h>
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