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31 .\" @(#)strsep.3 8.1 (Berkeley) 6/9/93
32 .\" $FreeBSD: src/lib/libc/string/strsep.3,v 1.16 2008/12/05 15:50:59 pjd Exp $
33 .\" $DragonFly: src/lib/libc/string/strsep.3,v 1.2 2003/06/17 04:26:46 dillon Exp $
46 .Fn strsep "char **stringp" "const char *delim"
50 function locates, in the string referenced by
52 the first occurrence of any character in the string
56 character) and replaces it with a
58 The location of the next character after the delimiter character
59 (or NULL, if the end of the string was reached) is stored in
67 field (i.e., a character in the string
69 occurs as the first character of
71 can be detected by comparing the location referenced by the returned pointer
85 to parse a string, and prints each token in separate line:
86 .Bd -literal -offset indent
87 char *token, *string, *tofree;
89 tofree = string = strdup("abc,def,ghi");
90 assert(string != NULL);
92 while ((token = strsep(&string, ",")) != NULL)
93 printf("%s\en", token);
100 to parse a string, containing tokens delimited by white space, into an
102 .Bd -literal -offset indent
103 char **ap, *argv[10], *inputstring;
105 for (ap = argv; (*ap = strsep(&inputstring, " \et")) != NULL;)
107 if (++ap >= &argv[10])
123 is intended as a replacement for the
128 function should be preferred for portability reasons (it conforms to
130 it is unable to handle empty fields, i.e., detect fields delimited by
131 two adjacent delimiter characters, or to be used for more than a single
135 function first appeared in