external/ibm-public/postfix/dist/src/util/skipblanks.c

   1 /*      $NetBSD$        */
   2
   3 /*++
   4 /* NAME
   5 /*      skipblanks 3
   6 /* SUMMARY
   7 /*      skip leading whitespace
   8 /* SYNOPSIS
   9 /*      #include <stringops.h>
  10 /*
  11 /*      char    *skipblanks(string)
  12 /*      const char *string;
  13 /* DESCRIPTION
  14 /*      skipblanks() returns a pointer to the first non-whitespace
  15 /*      character in the specified string, or a pointer to the string
  16 /*      terminator when the string contains all white-space characters.
  17 /* LICENSE
  18 /* .ad
  19 /* .fi
  20 /*      The Secure Mailer license must be distributed with this software.
  21 /* AUTHOR(S)
  22 /*      Wietse Venema
  23 /*      IBM T.J. Watson Research
  24 /*      P.O. Box 704
  25 /*      Yorktown Heights, NY 10598, USA
  26 /*--*/
  27
  28 /* System library. */
  29
  30 #include "sys_defs.h"
  31 #include <ctype.h>
  32
  33 /* Utility library. */
  34
  35 #include "stringops.h"
  36
  37 char   *skipblanks(const char *string)
  38 {
  39     const char *cp;
  40
  41     for (cp = string; *cp != 0; cp++)
  42         if (!ISSPACE(*cp))
  43             break;
  44     return ((char *) cp);
  45 }