buffer_get_token_sa man page on Alpinelinux

buffer_get_token_sa man page on Alpinelinux

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buffer_get_token_sa(3)					buffer_get_token_sa(3)

NAME
       buffer_get_token_sa - read token from buffer

SYNTAX
       #include <stralloc.h>
       #include <buffer.h>

       int buffer_get_token_sa(buffer* b,stralloc* sa,
			   const char* charset,size_t setlen);

DESCRIPTION
       buffer_get_token_sa  appends  data  from	 the  b to sa until one of the
       delimiters in charset is found, NOT overwriting the previous content of
       sa.  That delimiter is also appended to sa.

       If   reading   from   the  buffer  or  allocating  memory  fails,  buf‐
       fer_get_token_sa returns -1 and	sets  errno  appropriately.   At  that
       point sa may already contain a partial token.

RETURN VALUE
       -1 on error (setting errno), 0 on EOF, 1 when successful.

RATIONALE
       buffer_get_token_sa appends instead of overwriting so it can be used on
       non-blocking sockets (these signal error and set errno  to  EAGAIN;  in
       this  case you can simply call buffer_get_token_sa again when select or
       poll indicate more data is available).

SEE ALSO
       buffer_getline_sa(3), buffer_get_token(3), buffer(3)

							buffer_get_token_sa(3)

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