optparse

Rich CLI Option Parser

Functions

Function	Description
`_opt_copy`
`_opt_streq`
`_opt_strlen`
`opt_new`	Create new option parser with max options.
`opt_add`	Add an option. short=0 for no short flag. has_val=1 if takes value.
`_opt_find_long`	Internal: find option by long name. Returns index or -1.
`_opt_find_short`	Internal: find option by short flag. Returns index or -1.
`opt_parse`	Parse command-line arguments. argc/argv from os_argv(). Returns 0 on success,…
`opt_get`	Get option value. Copies value to out, returns length. 0 if not found.
`opt_has`	Check if option was provided. Returns 1 or 0.
`opt_positional`	Get positional argument at index. Copies to out, returns length.
`opt_npos`	Number of positional arguments found.
`opt_help`	Print help message to stdout.

fn _opt_copy(dst: &i8, doff: i64, src: &i8, soff: i64, n: i64)

fn _opt_streq(a: &i8, aoff: i64, alen: i64, b: &i8, boff: i64, blen: i64) -> i64

fn _opt_strlen(s: &i8) -> i64

fn opt_new(max: i64) -> &i64

Create new option parser with max options.

fn opt_add(p: &i64, name: &i8, nlen: i64, short: i64, has_val: i64, required: i64, desc: &i8, dlen: i64)

Add an option. short=0 for no short flag. has_val=1 if takes value.

fn _opt_find_long(p: &i64, name: &i8, nlen: i64) -> i64

Internal: find option by long name. Returns index or -1.

fn _opt_find_short(p: &i64, ch: i64) -> i64

Internal: find option by short flag. Returns index or -1.

fn opt_parse(p: &i64, argc: i64, argv: &i64) -> i64

Parse command-line arguments. argc/argv from os_argv(). Returns 0 on success, -1 if required option missing.

fn opt_get(p: &i64, name: &i8, nlen: i64, out: &i8) -> i64

Get option value. Copies value to out, returns length. 0 if not found.

fn opt_has(p: &i64, name: &i8, nlen: i64) -> i64

Check if option was provided. Returns 1 or 0.

fn opt_positional(p: &i64, idx: i64, out: &i8) -> i64

Get positional argument at index. Copies to out, returns length.

fn opt_npos(p: &i64) -> i64

Number of positional arguments found.

fn opt_help(p: &i64)

Print help message to stdout.