asciichat_error_t
Error and exit codes - unified status values (0-255)
void usage_server(FILE *stream)
Print server mode usage/help text.
asciichat_error_t parse_server_options(int argc, char **argv, options_t *opts)
Parse server-specific command-line options.
⚙️ Command-line options parsing and configuration management for ascii-chat
Consolidated options structure.