Adding Sun's fdlibm, and libnix's scanf, tweaked to become an xscanf. Adding a few more libc inlined also.

3 files changed, 4 insertions, 4 deletions

diff --git a/libc/include/ctype.h b/libc/include/ctype.h
index 22e3e81..b57abbb 100644
--- a/libc/include/ctype.h
+++ b/libc/include/ctype.h
@@ -16,5 +16,7 @@ static inline int isgraph(int c) { return !iscntrl(c) && !isspace(c); }
 static inline int isprint(int c) { return !iscntrl(c); }
 static inline int ispunct(int c) { return !iscntrl(c) && !isspace(c) && !isalnum(c); }
 
+static inline int toupper(int c) { return islower(c) ? c & ~0x20 : c; }
+static inline int tolower(int c) { return isupper(c) ? c | 0x20 : c; }
 
 #endif
diff --git a/libc/include/math.h b/libc/include/math.h
deleted file mode 100644
index b41fee0..0000000
--- a/libc/include/math.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef __MATH_H__
-#define __MATH_H__
-
-#endif
diff --git a/libc/include/stdio.h b/libc/include/stdio.h
index 1be0c6e..ee6226f 100644
--- a/libc/include/stdio.h
+++ b/libc/include/stdio.h
@@ -7,6 +7,8 @@
 #include <unistd.h>
 #include <malloc.h>
 
+static const int EOF = -1;
+
 struct _FILE {
     int fd;
 };