The func_find function returns a pointer to the function specified by name. If that function does not exist, the func_find function returns NULL.
FuncPtr func_find(char *name);
A pointer to the chosen function, suitable for dereferencing, or NULL if the function could not be found.
char *name is the name of the function.
/* this block of code does the same thing as func_exec */ char *afunc = pblock_findval("afunction", pb);FuncPtr afnptr = func_find(afunc);if (afnptr) return (afnptr)(pb, sn, rq);