TAL Programmer's Guide

Data Type Correspondence
F–4 096254 Tandem Computers Incorporated
Table F-4. Character Types
Character Character String Varying Length Character String
BASIC STRING STRING —
C signed char
unsigned char
pointer to char struct {
int len;
char val [n]
};
COBOL Alphabetic
Numeric DISPLAY
Alphanumeric-Edited
Alphanumeric
Numeric-Edited
Alphabetic
Numeric DISPLAY
Alphanumeric-Edited
Alphanumeric
Numeric-Edited
01 name.
03 len USAGE IS NATIVE-2 [1]
03 val PIC X(n).
FORTRAN CHARACTER CHARACTER array
CHARACTER*n
—
Pascal CHAR or BYTE value parameter
Enumeration, unpacked, ≤ 256 members
Subrange, unpacked n…m,
0 ≤ n and m ≤ 255
PACKED ARRAY OF CHAR
FSTRING(n)
STRING(n)
SQL PIC X
CHAR
CHAR(n)
PIC X(n)
VARCHAR(n)
TAL STRING STRING array —
Return Value
Size (Words)
1 1 or 2, depends on declared
pointer size
1 or 2, depends on declared
pointer size
[1] Tandem COBOL85 only.
Table F-5. Structured, Logical, Set, and File Types
Byte-Addressed Structure Word-Addressed Structure Logical (true or false) Boolean Set File
BASIC — MAP buffer — — — —
C — struct — — — —
COBOL — 01-level RECORD — — — —
FORTRAN RECORD — LOGICAL [1] — — —
Pascal RECORD, byte-aligned RECORD, word-aligned — BOOLEAN Set File
SQL — — — — — —
TAL Byte-addressed standard
STRUCT pointer
Word-addressed standard
STRUCT pointer
————
Return Value
Size (Words)
1 or 2, depends on
declared pointer size
1 or 2, depends on
declared pointer size
1 or 2, depends on
compiler directive
111
[1] LOGICAL is normally defined as 2 bytes. The LOGICAL*2 and LOGICAL*4 compiler directives redefine LOGICAL.