Added missing components

2 files changed, 22 insertions, 0 deletions

diff --git a/src/lib/lib.h b/src/lib/lib.h
new file mode 100644
index 0000000..aa5d3bc
--- /dev/null
+++ b/src/lib/lib.h
@@ -0,0 +1,8 @@
+#ifndef MELVIX_LIB_H
+#define MELVIX_LIB_H
+
+size_t strlen(const char *str);
+
+size_t strcmp(const char *s1, const char *s2);
+
+#endif
diff --git a/src/lib/string.c b/src/lib/string.c
new file mode 100644
index 0000000..a4be160
--- /dev/null
+++ b/src/lib/string.c
@@ -0,0 +1,14 @@
+size_t strlen(const char *str) {
+    size_t len = 0;
+    while (str[len])
+        len++;
+    return len;
+}
+
+size_t strcmp(const char *s1, const char *s2) {
+    while (*s1 && (*s1 == *s2)) {
+	s1++;
+	s2++;
+    }
+    return *(const unsigned char*)s1 - *(const unsigned char*)s2;
+}