Man page 9 : snd_info_get_str

snd_info_get_str - parse a string token

const char * snd_info_get_str(char *  dest , const char *  src , int  len );

dest
    the buffer to store the string token

src
    the original string

len
    the max. length of token - 1

Parses the original string and copy a token to the given string buffer.

The updated pointer of the original string so that it can be used for the next call.