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-rw-r--r--src/wctype/iswprint.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/wctype/iswprint.c b/src/wctype/iswprint.c
new file mode 100644
index 00000000..11bf9033
--- /dev/null
+++ b/src/wctype/iswprint.c
@@ -0,0 +1,28 @@
+#include <wctype.h>
+#include "wchar.h"
+#include "nonstd/assert.h"
+
+/** test whether a wide character is printable **/
+int iswprint(wint_t wc)
+{
+ ASSERT_REPRESENTABLE(wc, WCHAR_MIN, WCHAR_MAX, "wchar_t", WEOF);
+
+ wctype_t print = wctype("print");
+ return iswctype(wc, print);
+}
+
+/***
+The fn(iswprint) function tests whether arg(wc) is a character in the class
+cclass(print) in the current locale.
+***/
+
+/* RETURN(NZ): arg(c) is a printable character */
+/* RETURN(0): arg(c) is not a printable character */
+
+/* UNSPECIFIED: - */
+/* IMPLEMENTATION: - */
+/* LOCALE: LC_CTYPE */
+
+/*
+STDC(199409)
+*/