bulk upload of source

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/x_atoi.c b/lib/x_atoi.c
new file mode 100644
index 0000000..2f6a5fb
--- /dev/null
+++ b/lib/x_atoi.c
@@ -0,0 +1,12 @@
+
+int x_atoi(const char *src) /*EXTRACT_INCL*/ {
+  register const char *s;
+  register long int dest=0;
+  register unsigned char c;
+
+  s=src;
+  if (*s=='-' /* || *s=='+' */) ++s;
+
+  while ((c=*s-'0')<10) { ++s; dest=dest*10 + c; }
+  return (*src=='-') ? -dest : dest;
+}