(argp_program_version, argp_program_version_hook): New decls.

1 files changed, 12 insertions, 0 deletions

diff --git a/libshouldbeinlibc/argp.h b/libshouldbeinlibc/argp.h
index 79bc4b39..938226ac 100644
--- a/libshouldbeinlibc/argp.h
+++ b/libshouldbeinlibc/argp.h
@@ -244,6 +244,18 @@ struct argp_state
 error_t argp_parse (const struct argp *argp,
 		    int argc, char **argv, unsigned flags,
 		    int *arg_index, void *input);
+
+/* If defined or set by the user program to a non-zero value, then a default
+   option --version is added (unless the ARGP_NO_HELP flag is used), which
+   will print this this string and exit (unless the ARGP_NO_EXIT flag is
+   used).  Overridden by ARGP_PROGRAM_VERSION_HOOK.  */
+extern char *argp_program_version;
+
+/* If defined or set by the user program to a non-zero value, then a default
+   option --version is added (unless the ARGP_NO_HELP flag is used), which
+   calls this function and exits (unless the ARGP_NO_EXIT flag is used).
+   This variable takes precedent over ARGP_PROGRAM_VERSION.  */
+extern void (*argp_program_version_hook) ();
 
 /* Flags for argp_help.  */
 #define ARGP_HELP_USAGE		0x01 /* Print a Usage: message. */