Initial commit: libft Part 1 with tests and documentation

Reimplements 24 libc functions with Doxygen-documented header
and test suite comparing against libc.

1 files changed, 16 insertions, 0 deletions

diff --git a/ft_memchr.c b/ft_memchr.c
new file mode 100644
index 0000000..08d5c3e
--- /dev/null
+++ b/ft_memchr.c
@@ -0,0 +1,16 @@
+#include "libft.h"
+
+void *
+ft_memchr (const void *s, int c, size_t n)
+{
+  const unsigned char *ptr;
+
+  ptr = s;
+  while (n--)
+    {
+      if (*ptr == (unsigned char)c)
+        return ((void *)ptr);
+      ptr++;
+    }
+  return (NULL);
+}