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#ifndef NEOVIM_OS_SHELL_H
#define NEOVIM_OS_SHELL_H
#include <stdbool.h>
#include "types.h"
// Flags for mch_call_shell() second argument
typedef enum {
kShellOptFilter = 1, ///< filtering text
kShellOptExpand = 2, ///< expanding wildcards
kShellOptCooked = 4, ///< set term to cooked mode
kShellOptDoOut = 8, ///< redirecting output
kShellOptSilent = 16, ///< don't print error returned by command
kShellOptRead = 32, ///< read lines and insert into buffer
kShellOptWrite = 64, ///< write lines from buffer
kShellOptHideMess = 128, ///< previously a global variable from os_unix.c
} ShellOpts;
/// Builds the argument vector for running the shell configured in `sh`
/// ('shell' option), optionally with a command that will be passed with `shcf`
/// ('shellcmdflag').
///
/// @param cmd Command string. If NULL it will run an interactive shell.
/// @param extra_shell_opt Extra argument to the shell. If NULL it is ignored
/// @return A newly allocated argument vector. It must be freed with
/// `shell_free_argv` when no longer needed.
char ** shell_build_argv(char_u *cmd, char_u *extra_shell_arg);
/// Releases the memory allocated by `shell_build_argv`.
///
/// @param argv The argument vector.
void shell_free_argv(char **argv);
/// Calls the user shell for running a command, interactive session or
/// wildcard expansion. It uses the shell set in the `sh` option.
///
/// @param cmd The command to be executed. If NULL it will run an interactive
/// shell
/// @param opts Various options that control how the shell will work
/// @param extra_shell_arg Extra argument to be passed to the shell
int os_call_shell(char_u *cmd, ShellOpts opts, char_u *extra_shell_arg);
#endif // NEOVIM_OS_SHELL_H
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