/* If appropriate, print the printf string FMT and following args, preceded
by the program name and `:', to stderr, and followed by a `Try ... --help'
message, then exit (1). */
extern void argp_error (__const struct argp_state *__restrict __state,
/* If appropriate, print the printf string FMT and following args, preceded
by the program name and `:', to stderr, and followed by a `Try ... --help'
message, then exit (1). */
extern void argp_error (__const struct argp_state *__restrict __state,