add str_parse_dbl

1 files changed, 4 insertions, 0 deletions

diff --git a/stage3/string.h b/stage3/string.h
index 1a28494..c5ceabe 100644
--- a/stage3/string.h
+++ b/stage3/string.h
@@ -17,6 +17,10 @@ usize str_find(str s, str tokens);
 // resulting number is stored in *x
 usize str_parse_num(str s, u8 base, u64 *x);
 
+// parses a double and returns number of chars processed
+// resulting number is stored in *x
+usize str_parse_dbl(str s, double *x);
+
 // this is a splitting function
 // returns the next non-empty substring of *s that is delimited by the tokens in sep
 // the returned string does not contain any of the separators