summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sys/lib/libsa/stand.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/lib/libsa/stand.h b/sys/lib/libsa/stand.h
index afa837f89de..b4f663c27cd 100644
--- a/sys/lib/libsa/stand.h
+++ b/sys/lib/libsa/stand.h
@@ -102,7 +102,10 @@ extern struct open_file files[];
#define F_NODEV 0x0008 /* network open - no device */
#define isupper(c) ((c) >= 'A' && (c) <= 'Z')
+#define islower(c) ((c) >= 'a' && (c) <= 'z')
+#define isalpha(c) (isupper(c)||islower(c))
#define tolower(c) ((c) - 'A' + 'a')
+#define toupper(c) ((c) - 'a' + 'A')
#define isspace(c) ((c) == ' ' || (c) == '\t')
#define isdigit(c) ((c) >= '0' && (c) <= '9')