...s. Each of the fd_set arguments may be specified as NULL if no file descriptors are to be watched for the corresponding class of events. Note well : Upon return, each of the fil…...s. Each of the fd_set arguments may be specified as NULL if no file descriptors are to be watched for the corresponding class of events. Note well : Upon return, each of the fil…...s. Each of the fd_set arguments may be specified as NULL if no file descriptors are to be watched for the corresponding class of events. Note well : Upon return, each of the fil…...s. Each of the fd_set arguments may be specified as NULL if no file descriptors are to be watched for the corresponding class of events. Note well : Upon return, each of the fil…...d cfree(char ptr [. size * . num ], unsigned int num , unsigned int size ); /* In Solaris watchmalloc.so.1 */ void cfree(void ptr [. elsize * . nelem ], size_t nelem , size_t el…