initial commit, resurrect one of my realy old projects

1 files changed, 12 insertions, 0 deletions

diff --git a/scan_ulong.c b/scan_ulong.c
new file mode 100644
index 0000000..b38df10
--- /dev/null
+++ b/scan_ulong.c
@@ -0,0 +1,12 @@
+unsigned int scan_ulong(register const char *s,register unsigned long *u)
+{
+	register unsigned int pos = 0;
+	register unsigned long result = 0;
+	register unsigned long c;
+	while ((c = (unsigned long) (unsigned char) (s[pos] - '0')) < 10) {
+		result = result * 10 + c;
+		++pos;
+	}
+	*u = result;
+	return pos;
+}