some stuff to get further in python builds

base/usr/include/ctype.h

@@ -13,3 +13,6 @@ extern int isupper(int c);
 extern int isxdigit(int c);
 
 extern int isascii(int c);
+
+extern int tolower(int c);
+extern int toupper(int c);

base/usr/include/math.h

@@ -9,3 +9,5 @@ extern double sqrt(double x);
 extern double fabs(double x);
 extern double sin(double x);
 extern double cos(double x);
+
+#define HUGE_VAL (__builtin_huge_val())

base/usr/include/stdio.h

@@ -48,3 +48,6 @@ extern void perror(const char *s);
 extern int ungetc(int c, FILE * stream);
 
 extern int feof(FILE * stream);
+extern void clearerr(FILE * stream);
+
+#define getc(s) fgetc(s)

libc/ctype/tolower.c

@@ -0,0 +1,6 @@
+int tolower(int c) {
+	if (c >= 'A' && c <= 'Z') {
+		return c - 'A' + 'a';
+	}
+	return c;
+}

libc/ctype/toupper.c

@@ -0,0 +1,7 @@
+int toupper(int c) {
+	if (c >= 'a' && c <= 'z') {
+		return c - 'a' + 'A';
+	}
+	return c;
+}
+

libc/stdio/stdio.c

@@ -331,3 +331,7 @@ void setbuf(FILE * stream, char * buf) {
 int feof(FILE * stream) {
 	return stream->eof;
 }
+
+void clearerr(FILE * stream) {
+	stream->eof = 0;
+}