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does perror() set errno?

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08-14-2009

ebd

Registered User

Join Date: Aug 2009

Posts: 1

does perror() set errno?

here the program gives a odd result:

Code:

#include <stdio.h>
int main(){
    perror("first");
    perror("next");
    return 0;
}

result:

first: Success
next: Illegal seek

why? any resonable explanation? i found no information about this in man pages.
thanks in advance

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