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1--- strspn.3.bsdnew 2009-11-30 13:52:24.000000000 -0800
2+++ strspn.3 2009-11-30 14:55:45.000000000 -0800
3@@ -43,23 +43,26 @@
4 .Sh SYNOPSIS
5 .In string.h
6 .Ft size_t
7-.Fn strspn "const char *s" "const char *charset"
8+.Fo strspn
9+.Fa "const char *s1"
10+.Fa "const char *s2"
11+.Fc
12 .Sh DESCRIPTION
13 The
14 .Fn strspn
15 function
16 spans the initial part of the null-terminated string
17-.Fa s
18+.Fa s1 ,
19 as long as the characters from
20-.Fa s
21+.Fa s1
22 occur in the null-terminated string
23-.Fa charset .
24+.Fa s2 .
25 In other words, it computes the string array index in
26-.Fa s
27+.Fa s1
28 of the first character of
29-.Fa s
30+.Fa s1
31 which is not in
32-.Fa charset ,
33+.Fa s2 ,
34 else the index of the first null character.
35 .Sh RETURN VALUES
36 The