stat() error ‘No such file or directory’ when file name is returned by readdir()

by

dirp->d_name is the name of the file in the directory: for example, "udpclient.c". The full name of the file is thus "/home/eipe/c/udpclient.c" – but your current working directory is /home/eipe, so stat() is trying to access "/home/eipe/udpclient.c", which doesn’t exist.

You can either change your working directory to argv[1] using chdir(), or you can prepend argv[1] to each filename before you call stat().

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