The pblock_nvinsert function creates a new entry with a given name and character value in the specified pblock. The name and value parameters are copied.
pb_param *pblock_nvinsert(char *name, char *value, pblock *pb);
A pointer to the newly allocated pb_param structure.
char *name is the name of the new entry.
char *value is the string value of the new entry.
pblock *pb is the pblock into which the insertion occurs.
pblock_nvinsert("content-type", "text/html", rq->srvhdrs);