subroutines,
91 total:

EXT_INT_GET_DOM_TD_CHAR  ,2
EXT_INT_GET_DOM_TD_DOUBLE  
EXT_INT_GET_DOM_TD_INTEGER  
EXT_INT_GET_DOM_TD_LOGICAL  
EXT_INT_GET_DOM_TD_REAL  
EXT_INT_GET_DOM_TI_CHAR  2,2
EXT_INT_GET_DOM_TI_DOUBLE  ,1
EXT_INT_GET_DOM_TI_INTEGER  2,2
EXT_INT_GET_DOM_TI_LOGICAL  ,1
EXT_INT_GET_DOM_TI_REAL  2,2
EXT_INT_GET_NEXT_TIME  2,3
EXT_INT_GET_NEXT_VAR  ,5
EXT_INT_GET_VAR_INFO  ,2
EXT_INT_GET_VAR_TD_CHAR  
EXT_INT_GET_VAR_TD_DOUBLE  
EXT_INT_GET_VAR_TD_INTEGER  
EXT_INT_GET_VAR_TD_LOGICAL  
EXT_INT_GET_VAR_TD_REAL  
EXT_INT_GET_VAR_TI_CHAR  ,2
EXT_INT_GET_VAR_TI_DOUBLE  
EXT_INT_GET_VAR_TI_INTEGER  
EXT_INT_GET_VAR_TI_LOGICAL  
EXT_INT_GET_VAR_TI_REAL  
EXT_INT_INQUIRE_FILENAME  3,3
EXT_INT_INQUIRE_OPENED  ,2
EXT_INT_IOCLOSE  4,2
EXT_INT_IOEXIT  2,1
EXT_INT_IOINIT  3,2
EXT_INT_IOSYNC  ,1
EXT_INT_OPEN_FOR_READ  3,3
EXT_INT_OPEN_FOR_WRITE  1,3
EXT_INT_OPEN_FOR_WRITE_BEGIN  1,3
EXT_INT_OPEN_FOR_WRITE_COMMIT  1,1
EXT_INT_PUT_DOM_TD_CHAR  1,2
EXT_INT_PUT_DOM_TD_DOUBLE  
EXT_INT_PUT_DOM_TD_INTEGER  
EXT_INT_PUT_DOM_TD_LOGICAL  
EXT_INT_PUT_DOM_TD_REAL  
EXT_INT_PUT_DOM_TI_CHAR  1,2
EXT_INT_PUT_DOM_TI_DOUBLE  ,1
EXT_INT_PUT_DOM_TI_INTEGER  1,2
EXT_INT_PUT_DOM_TI_LOGICAL  ,1
EXT_INT_PUT_DOM_TI_REAL  2,2
EXT_INT_PUT_VAR_TD_CHAR  
EXT_INT_PUT_VAR_TD_DOUBLE  
EXT_INT_PUT_VAR_TD_INTEGER  
EXT_INT_PUT_VAR_TD_LOGICAL  
EXT_INT_PUT_VAR_TD_REAL  
EXT_INT_PUT_VAR_TI_CHAR  ,2
EXT_INT_PUT_VAR_TI_DOUBLE  
EXT_INT_PUT_VAR_TI_INTEGER  
EXT_INT_PUT_VAR_TI_LOGICAL  
EXT_INT_PUT_VAR_TI_REAL  
EXT_INT_READ_FIELD  10,4
EXT_INT_SET_TIME  ,2
EXT_INT_WRITE_FIELD  15,4
IFIELDREAD  1
IFIELDWRITE  1
INIT_MODULE_EXT_INTERNAL  1
INT_GEN_HANDLE_HEADER  
INT_GEN_NOOP_HEADER  
INT_GEN_OFR_HEADER  1,2
INT_GEN_OFWB_HEADER  1,2
INT_GEN_TD_HEADER  
INT_GEN_TD_HEADER_CHAR  1,3
INT_GEN_TD_HEADER_INTEGER  1,2
INT_GEN_TD_HEADER_REAL  1,2
INT_GEN_TI_HEADER  2
INT_GEN_TI_HEADER_CHAR  3,3
INT_GEN_TI_HEADER_INTEGER  1,1
INT_GEN_TI_HEADER_REAL  1,1
INT_GEN_WRITE_FIELD_HEADER  1,7
INT_GET_FRESH_HANDLE  2
INT_GET_HANDLE_HEADER  
INT_GET_NOOP_HEADER  
INT_GET_OFR_HEADER  1,2
INT_GET_OFWB_HEADER  1,2
INT_GET_TD_HEADER  
INT_GET_TD_HEADER_CHAR  2,3
INT_GET_TD_HEADER_INTEGER  1,2
INT_GET_TD_HEADER_REAL  1,2
INT_GET_TI_HEADER  4
INT_GET_TI_HEADER_CHAR  3,3
INT_GET_TI_HEADER_INTEGER  1,1
INT_GET_TI_HEADER_REAL  1,1
INT_GET_WRITE_FIELD_HEADER  4,7
INT_PACK_STRING  23
INT_UNPACK_STRING  23
RELEASE_HANDLE  1
RFIELDREAD  1
RFIELDWRITE  1

functions,
6 total:

GET_HDR_REC_SIZE  
GET_HDR_TAG  
INT_IS_FIRST_OPERATION  
INT_OK_TO_GET_DOM_TI  ,1
INT_OK_TO_PUT_DOM_TI  ,1
INT_VALID_HANDLE  

modules,
2 total:

MODULE_EXT_INTERNAL  30
MODULE_INTERNAL_HEADER_UTIL  1