https://www.mathworks.com/help/fixedpoint/ref/embedded.fi.int32.html
int32 - Convert fi object to signed 32-bit integer - MATLAB
This MATLAB function converts the fi object a to a signed 32-bit integer based on its real-world value.
32 bit integerint32convertfiobject
https://www.ibm.com/docs/en/ibm-mq/9.1.x?topic=types-mqulong-32-bit-unsigned-integer
MQULONG - 32-bit unsigned integer
The MQULONG data type is a 32-bit unsigned binary integer that can take any value in the range 0 through +4 294 967 294, unless otherwise restricted by the...
32 bitunsignedinteger