Revert "Revert "New API to retrieve disk stats in Linux""

This reverts commit 7e214414bf.

sysdeps/linux/glibtop_private.c

@@ -57,6 +57,24 @@ skip_token (const char *p)
 }
 
 
+int
+check_alphanumeric_word (const char *p)
+{
+	int test = 0;
+	p = next_token(p);
+	while (*p && !g_ascii_isspace(*p)) {
+		if(g_ascii_isalpha(*p)){
+			test = 0;
+		}else if(g_ascii_isdigit(*p)){
+			test = 1;
+		}
+		p++;
+	};
+	p = next_token(p);
+	return test;
+}
+
+
 /*
  * Read functions
  */