err

Name

err -- display formatted error messages

Synopsis

#include <err.h>

void err(int eval, const char * fmt, ...);

Description

The err() function shall display a formatted error message on the standard error stream. First, err() shall write 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 err() shall write the formatted message, a colon character, and a space. Finally, the error message string affiliated with the current value of the global variable errno shall be written, followed by a newline character.

The err() function shall not return, the program shall terminate with the exit value of eval.

See Also

error(), errx()

Return Value

None.

Errors

None.