Standard Library/dll
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This script defines utilities for calling host system shared libraries and is included in the J standard library. Definitions are loaded into the z locale.
Definitions
A | AND |
C | cd, cdcb, cder, cderx, cdf |
E | endian, Endian |
F | fc |
I | ic |
J | JB01, JBOXED, JCHAR, JCHAR2, JCHAR4, JCMPX, JFL, JINT, JPTR, JSB, JSIZES, JSTR, JSTR2, JSTR4, JTYPES |
M | mema, memf, memr, memu, memw |
O | OR |
S | symdat, symget, symset, SZI |
X | XOR |
AND | v | bitwise AND (&) |
cd | v | call DLL procedure |
cdcb | v | callback address |
cder | v | error information |
cderx | v | GetLastError information |
cdf | v | free DLLs |
endian | v | flip intel bytes (little endian) |
Endian | v | flip powerpc bytes (BIG Endian) |
fc | v | float conversion |
JB01 | n | 1 |
JBOXED | n | 32 |
JCHAR | n | 2 |
JCHAR2 | n | 131072 |
JCHAR4 | n | 262144 |
JCMPX | n | 16 |
JFL | n | 8 |
JINT | n | 4 |
JPTR | n | JINT |
JSB | n | 65536 |
JSIZES | n | size in bytes of corresponding JTYPES |
JSTR | n | _1,JCHAR |
JSTR2 | n | _1,JCHAR2 |
JSTR4 | n | _1,JCHAR4 |
JTYPES | n | JB01,JCHAR,JINT,JPTR,JFL,JCMPX,JBOXED,JSB,JCHAR2,JCHAR4 |
mema | v | memory allocate |
memf | v | memory free |
memr | v | memory read |
memu | v | forcecopy |
memw | v | memory write |
OR | v | ) |
symdat | v | get address of data for name |
symget | v | get address of locale entry for name |
symset | v | set array as address |
SZI | n | size in bytes of integer |
XOR | v | bitwise XOR (^) |
ic (verb)
Integer conversion e.g.
25185 25699 = _1 ic 'abcd'
'abcd' = 1 ic _1 ic 'abcd'
1684234849 1751606885 = _2 ic 'abcdefgh'
'abcdefgh' = 2 ic _2 ic 'abcdefgh'