summaryrefslogtreecommitdiff
path: root/src/user/lib/libc/std/ctype.c
diff options
context:
space:
mode:
authorAlex AUVOLAT <alexis211@gmail.com>2013-06-08 23:09:52 +0200
committerAlex AUVOLAT <alexis211@gmail.com>2013-06-08 23:09:52 +0200
commit4d65fcb9a8b6c7c6fd5a3390c46a96d11b6a80d4 (patch)
treec193acf64ff2db985f6664f161cf586c3caeb684 /src/user/lib/libc/std/ctype.c
parenteae9997d3c2dbaef53022ddabe61c1800a619499 (diff)
downloadTCE-4d65fcb9a8b6c7c6fd5a3390c46a96d11b6a80d4.tar.gz
TCE-4d65fcb9a8b6c7c6fd5a3390c46a96d11b6a80d4.zip
All FWIK is deleted. YOSH is now pure C. Not-working KBASIC included.
Diffstat (limited to 'src/user/lib/libc/std/ctype.c')
-rw-r--r--src/user/lib/libc/std/ctype.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/user/lib/libc/std/ctype.c b/src/user/lib/libc/std/ctype.c
new file mode 100644
index 0000000..f0e7750
--- /dev/null
+++ b/src/user/lib/libc/std/ctype.c
@@ -0,0 +1,28 @@
+#include <ctype.h>
+
+
+int isalpha(int c) {
+ return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z');
+}
+
+int isdigit(int c) {
+ return (c >= '0' && c <= '9');
+}
+
+int isalnum(int c) {
+ return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9');
+}
+
+int tolower(int c) {
+ if (c >= 'A' && c <= 'Z') {
+ return c + ('a' - 'A');
+ }
+ return c;
+}
+
+int toupper(int c) {
+ if (c >= 'a' && c <= 'z') {
+ return c - ('a' - 'A');
+ }
+ return c;
+}