WSCheckFunction (C Function)
int WSCheckFunction(WSLINK link,char *name,long *n)
checks that a function whose head is a symbol with the specified name is on link, and stores the number of the arguments of the function in n.
- WSCheckFunction() returns 0 if the current object on the link is not a function with a symbol as a head, or if the name of the symbol does not match name.
- WSCheckFunction() is equivalent to WSTestHead().