warnx
Name
warnx -- formatted error messages
Synopsis
void
warnx(const char
*fmt
...);
Description
warnx displays a formatted error message on the
standard error output. The last component of the program name, a
colon character, and a space are output.
If fmt is not NULL, the formatted
error message, a colon, and space are
output. The output is followed by a newline character.