meta: move photon/libc to root

libc/include/ctype.h

@@ -0,0 +1,27 @@
+#ifndef TYPES_H_
+#define TYPES_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int isalnum(int c);
+extern int isalpha(int c);
+extern int iscntrl(int c);
+extern int isdigit(int c);
+extern int isgraph(int c);
+extern int islower(int c);
+extern int isprint(int c);
+extern int ispunct(int c);
+extern int isspace(int c);
+extern int isupper(int c);
+extern int isxdigit(int c);
+extern int tolower(int c);
+extern int toupper(int c);
+extern int fill_random(unsigned char *buffer, unsigned int size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif