opt: add an int decrementing helper function

[ccan] / ccan / opt / opt.h

diff --git a/ccan/opt/opt.h b/ccan/opt/opt.h
index f891002fa53890be40251b3e2557c4af3d2cd15e..727dacd0f148594a87c1b465c8180438b778a349 100644 (file)
--- a/ccan/opt/opt.h
+++ b/ccan/opt/opt.h
@@ -450,8 +450,9 @@ void opt_show_ulonglongval_si(char buf[OPT_SHOW_LEN], const unsigned long long *
 
 
 
 
 
 

-/* Increment. */
+/* Increment and decrement. */

 char *opt_inc_intval(int *i);
 char *opt_inc_intval(int *i);

+char *opt_dec_intval(int *i);

 
 /* Display version string to stdout, exit(0). */
 char *opt_version_and_exit(const char *version);
 
 /* Display version string to stdout, exit(0). */
 char *opt_version_and_exit(const char *version);