err()
The err() function produces a message that consists of:
the last component of the program name,
followed by a colon and a space.
the formatted message,
followed by a colon and a space,
if the fmt argument isn't NULL.
the string associated with the current value of errno. a newline character.err()
The err() and warn() family of functions display a formatted error message on the standard error output.
In all cases, the last component of the program name,
a colon character, and a space are output.
If the fmt argument is not NULL, the printf(3)-like formatted error message is output.Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
