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-rw-r--r--contrib/argp-standalone/strchrnul.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/contrib/argp-standalone/strchrnul.c b/contrib/argp-standalone/strchrnul.c
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--- /dev/null
+++ b/contrib/argp-standalone/strchrnul.c
@@ -0,0 +1,23 @@
+/* strchrnul.c
+ *
+ */
+
+/* Written by Niels Möller <nisse@lysator.liu.se>
+ *
+ * This file is hereby placed in the public domain.
+ */
+
+/* FIXME: What is this function supposed to do? My guess is that it is
+ * like strchr, but returns a pointer to the NUL character, not a NULL
+ * pointer, if the character isn't found. */
+
+char *strchrnul(const char *, int );
+
+char *strchrnul(const char *s, int c)
+{
+ const char *p = s;
+ while (*p && (*p != c))
+ p++;
+
+ return (char *) p;
+}