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-rw-r--r--kernel/lib/isspace.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/lib/isspace.c b/kernel/lib/isspace.c
new file mode 100644
index 0000000..5196d0c
--- /dev/null
+++ b/kernel/lib/isspace.c
@@ -0,0 +1,16 @@
+#include <lib.h>
+
+int isspace(int c)
+{
+ switch (c) {
+ case ' ':
+ case '\t':
+ case '\v':
+ case '\f':
+ case '\r':
+ case '\n':
+ return 1;
+ default:
+ return 0;
+ }
+}