Add build system scaffolding and libc headers

1 files changed, 35 insertions, 0 deletions

diff --git a/include/ctype.h b/include/ctype.h
new file mode 100644
index 00000000..89f6d23e
--- /dev/null
+++ b/include/ctype.h
@@ -0,0 +1,35 @@
+#ifndef __CTYPE_H
+#define __CTYPE_H
+
+typedef struct __locale_t *locale_t;
+
+int isalnum(int);
+int isalnum_l(int, locale_t);
+int isalpha(int);
+int isalpha_l(int, locale_t);
+int isblank(int);
+int isblank_l(int, locale_t);
+int iscntrl(int);
+int iscntrl_l(int, locale_t);
+int isdigit(int);
+int isdigit_l(int, locale_t);
+int isgraph(int);
+int isgraph_l(int, locale_t);
+int islower(int);
+int islower_l(int, locale_t);
+int isprint(int);
+int isprint_l(int, locale_t);
+int ispunct(int);
+int ispunct_l(int, locale_t);
+int isspace(int);
+int isspace_l(int, locale_t);
+int isupper(int);
+int isupper_l(int, locale_t);
+int isxdigit(int);
+int isxdigit_l(int, locale_t);
+int tolower(int);
+int tolower_l(int, locale_t);
+int toupper(int);
+int toupper_l(int, locale_t);
+
+#endif