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-rw-r--r--src/string/index.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/string/index.c b/src/string/index.c
new file mode 100644
index 00000000..dd611251
--- /dev/null
+++ b/src/string/index.c
@@ -0,0 +1,7 @@
+#include <string.h>
+#include <strings.h>
+
+char *index(const char *s, int c)
+{
+ return strchr(s, c);
+}