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-rw-r--r--scan_ulong.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/scan_ulong.c b/scan_ulong.c
new file mode 100644
index 0000000..c4f03c0
--- /dev/null
+++ b/scan_ulong.c
@@ -0,0 +1,11 @@
+#include "scan.h"
+
+unsigned int scan_ulong(register char *s,register unsigned long *u)
+{
+ register unsigned int pos; register unsigned long result;
+ register unsigned long c;
+ pos = 0; result = 0;
+ while ((c = (unsigned long) (unsigned char) (s[pos] - '0')) < 10)
+ { result = result * 10 + c; ++pos; }
+ *u = result; return pos;
+}