strsep - extract token from string
SYNOPSIS
#include <string.h>
char *strsep(char **stringp, const char *delim);
DESCRIPTION
If *stringp is NULL, the strsep() function returns NULL
and does nothing else. Otherwise, this function finds the
first token in the string *stringp, where tokens are
delimited by symbols in the string delim. This token is
terminated with a `\0' character (by overwriting the
delimiter) and *stringp is updated to point past the
token. In case no delimiter was found, the token is taken
to be the entire string *stringp, and *stringp is made
NULL.
RETURN VALUE
The strsep() function returns a pointer to the token, that
is, it returns the original value of *stringp.
NOTES
The strsep() function was introduced as a replacement for
strtok(), since the latter cannot handle empty fields.
However, strtok() conforms to ANSI-C and hence is more
portable.
BUGS
This function suffers from the same problems as strtok().
In particular, it modifies the original string. Avoid it.
CONFORMING TO
BSD 4.4
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strpbrk(3),
strspn(3), strstr(3), strtok(3)
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