Renaming a File

To rename a file, use the standard function rename() (declared in ). This function takes two arguments of type const char *, the first of which is the old name and the second one is the new name of the file:

 include int main(){ int stat=rename("backup.dat", "backup.old"); if (stat)  printf("rename failed");}

On success, rename() returns zero; otherwise, it returns an error code indicating various types of errors.

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