Add missing documentation to `os2/path`

core/os/os2/path.odin

@@ -10,6 +10,10 @@ Path_List_Separator   :: _Path_List_Separator   // OS-Specific
 
 #assert(_Path_Separator <= rune(0x7F), "The system-specific path separator rune is expected to be within the 7-bit ASCII character set.")
 
+/*
+Return true if `c` is a character used to separate paths into directory and
+file hierarchies on the current system.
+*/
 @(require_results)
 is_path_separator :: proc(c: byte) -> bool {
 	return _is_path_separator(c)
@@ -17,22 +21,42 @@ is_path_separator :: proc(c: byte) -> bool {
 
 mkdir :: make_directory
 
+/*
+Make a new directory.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
 make_directory :: proc(name: string, perm: int = 0o755) -> Error {
 	return _mkdir(name, perm)
 }
 
 mkdir_all :: make_directory_all
 
+/*
+Make a new directory, creating new intervening directories when needed.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
 make_directory_all :: proc(path: string, perm: int = 0o755) -> Error {
 	return _mkdir_all(path, perm)
 }
 
+/*
+Delete `path` and all files and directories inside of `path` if it is a directory.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
 remove_all :: proc(path: string) -> Error {
 	return _remove_all(path)
 }
 
 getwd :: get_working_directory
 
+/*
+Get the working directory of the current process.
+
+*Allocates Using Provided Allocator*
+*/
 @(require_results)
 get_working_directory :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
 	return _get_working_directory(allocator)
@@ -40,14 +64,29 @@ get_working_directory :: proc(allocator: runtime.Allocator) -> (dir: string, err
 
 setwd :: set_working_directory
 
+/*
+Change the working directory of the current process.
+
+*Allocates Using Provided Allocator*
+*/
 set_working_directory :: proc(dir: string) -> (err: Error) {
 	return _set_working_directory(dir)
 }
 
+/*
+Get the path for the currently running executable.
+
+*Allocates Using Provided Allocator*
+*/
 get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
 	return _get_executable_path(allocator)
 }
 
+/*
+Get the directory for the currently running executable.
+
+*Allocates Using Provided Allocator*
+*/
 get_executable_directory :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
 	path = _get_executable_path(allocator) or_return
 	path, _ = filepath.split(path)