Name

pinq_open_struct − Returns the open structure status and structure identifier. 

Operating States: PHOP, ∗, ∗, ∗
PHIGS standard function

Syntax

void pinq_open_struct (
  Pint                 ∗error_ind,  /∗ (O) Error indicator ∗/
  Popen_struct_status  ∗status,     /∗ (O) Open structure status ∗/
  Pint                 ∗stid        /∗ (O) Structure identifier ∗/
)

Data Structures

typedef enum {
    PSTRUCT_NONE,   /∗ no structures open ∗/
    PSTRUCT_OPEN    /∗ structures open ∗/
} Popen_struct_status;

Description

pinq_open_struct queries the structure state list and returns the open structure status and the structure identifier.  If a structure is open, the returned structure status is PSTRUCT_OPEN and Digital PHIGS returns the identifier of the open structure as the structure identifier.  If no structure is open, the returned structure status is PSTRUCT_NONE and the structure identifier is undefined. 

See Also

pclose_struct
pinq_struct_st
pinq_struct_status
popen_struct