string/FreeBSD/rindex.3

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  34 .\"     @(#)rindex.3    8.1 (Berkeley) 6/4/93
  35 .\" $FreeBSD: src/lib/libc/string/rindex.3,v 1.8 2002/12/18 13:33:03 ru Exp $
  36 .\"
  37 .Dd June 4, 1993
  38 .Dt RINDEX 3
  39 .Os
  40 .Sh NAME
  41 .Nm rindex
  42 .Nd locate character in string
  43 .Sh LIBRARY
  44 .Lb libc
  45 .Sh SYNOPSIS
  46 .In strings.h
  47 .Ft char *
  48 .Fn rindex "const char *s" "int c"
  49 .Sh DESCRIPTION
  50 The
  51 .Fn rindex
  52 function
  53 locates the last character
  54 matching
  55 .Fa c
  56 (converted to a
  57 .Vt char )
  58 in the null-terminated string
  59 .Fa s .
  60 .Sh RETURN VALUES
  61 A pointer to the character is returned if it is found; otherwise
  62 NULL is returned.
  63 If
  64 .Fa c
  65 is
  66 .Ql \e0 ,
  67 .Fn rindex
  68 locates the terminating
  69 .Ql \e0 .
  70 .Sh SEE ALSO
  71 .Xr index 3 ,
  72 .Xr memchr 3 ,
  73 .Xr strchr 3 ,
  74 .Xr strcspn 3 ,
  75 .Xr strpbrk 3 ,
  76 .Xr strrchr 3 ,
  77 .Xr strsep 3 ,
  78 .Xr strspn 3 ,
  79 .Xr strstr 3 ,
  80 .Xr strtok 3
  81 .Sh HISTORY
  82 A
  83 .Fn rindex
  84 function appeared in
  85 .At v6 .
  86 Its prototype existed previously in
  87 .Aq Pa string.h
  88 before it was moved to
  89 .Aq Pa strings.h
  90 for
  91 .St -p1003.1-2001
  92 compliance.