Use perror() in case getifaddrs() call fails #26
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According to https://man7.org/linux/man-pages/man3/getifaddrs.3.html getifaddrs() returns -1 on error and sets errno. Use the perror() function to provide a more informative error message in such cases.
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According to https://man7.org/linux/man-pages/man3/getifaddrs.3.html getifaddrs() returns -1 on error and sets errno. Use the perror() function to provide a more informative error message in such cases.