1 files changed, 3 insertions, 2 deletions
diff --git a/lib/lib.c b/lib/lib.c
index dafd514a..fe402af8 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -449,9 +449,10 @@ int strstart(char **a, char *b)
 {
   char *c = *a;
 
-  if (*b) while (*b++ == *c++) if (!*b) return c-*a;
+  while (*b && *c == *b) b++, c++;
+  if (!*b) *a = c;
 
-  return 0;
+  return !*b;
 }
 
 // If *a starts with b, advance *a past it and return 1, else return 0;