# IPXFWSTOPSIG (L*X, M*X)

POSIX Function: Returns the number of the signal that caused a child process to stop.

## Module

USE IFPOSIX

result = IPXFWSTOPSIG (istat)

istat | (Input) INTEGER(4). The value of output argument istat from PXFWAIT or PXFWAITPID.

## Results

The result type is INTEGER(4). The result is the number of the signal that caused the child process to stop.

The IPXFWSTOPSIG function should only be used if PXFWIFSTOPPED returns TRUE.

Parent topic: POSIX* Library Routines

## See Also

PXFWAIT
PXFWAITPID
PXFWIFSTOPPED