warn

Name

warn -- formatted error messages

Synopsis

#include <err.h>

void warn (const char * fmt , ...);

Description

The warn() function shall display a formatted error message on the standard error stream. The output shall consist of the last component of the program name, a colon character, and a space character. If fmt is non-NULL, it shall be used as a format string for the printf() family of functions, and the formatted message, a colon character, and a space are written to stderr. Finally, the error message string affiliated with the current value of the global variable errno shall be written to stderr, followed by a newline character.

Return Value

None.

Errors

None.