NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | EXAMPLES | SEE ALSO
#include <sys/stream.h>mblk_t *unlinkb(mblk_t *mp);
Architecture independent level 1 (DDI/DKI).
unlinkb() removes the first message block from the message pointed to by mp. A new message, minus the removed message block, is returned.
If successful, unlinkb() returns a pointer to the message with the first message block removed. If there is only one message block in the message, NULL is returned.
unlinkb() can be called from user or interrupt context.
The routine expects to get passed an M_PROTO T_DATA_IND message. It will remove and free the M_PROTO header and return the remaining M_DATA portion of the message.
1 mblk_t * 2 makedata(mp) 3 mblk_t *mp; 4 { 5 mblk_t *nmp; 6 7 nmp = unlinkb(mp); 8 freeb(mp); 9 return(nmp); 10 }
NAME | SYNOPSIS | INTERFACE LEVEL | PARAMETERS | DESCRIPTION | RETURN VALUES | CONTEXT | EXAMPLES | SEE ALSO