Added several functions (to ctype.h, stdlib.h)

"Optimised" some functions in string.h
Added dynamic libraries support based on sysfunction 68.19 (experimental)

git-svn-id: svn://kolibrios.org@215 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/metcc/trunk/libc/string/atoib.cpp

@@ -0,0 +1,22 @@
+#include "stdio.h"
+#include "stdlib.h"
+#include "ctype.h"
+
+/*
+** atoib(s,b) - Convert s to "unsigned" integer in base b.
+**              NOTE: This is a non-standard function.
+*/
+int atoib(char *s,int b)
+{
+  int n, digit;
+  n = 0;
+  while(isspace(*s)) ++s;
+  while((digit = (127 & *s++)) >= '0') {
+    if(digit >= 'a')      digit -= 87;
+    else if(digit >= 'A') digit -= 55;
+    else                  digit -= '0';
+    if(digit >= b) break;
+    n = b * n + digit;
+    }
+  return (n);
+  }