C/C++ Programmer's Guide (G06.27+, H06.03+)

HP C Implementation-Defined Behavior
HP C/C++ Programmer’s Guide for NonStop Systems—429301-010
A-9
G.3.14 Library Functions
To alter the Guardian environment list obtained by a call to the getenv() function, use
the PARAM command, the syntax for which is:
param_name
is the run-time environment parameter name
param_setting
is the string that will be returned when getenv is called with param_name as its
parameter.
system()
The string passed to the system() function is either a NULL string or an ASCII string
that can be processed by the command processor.
strerror()
The format of the error message returned by the strerror() function is an ASCII
string.
Table A-2 lists the contents of the error message strings returned by a call to the
strerror() function:
PARAM param_name param_setting
Table A-2. errno Values and Corresponding Messages (page 1 of 3)
errno Messages
EPERM Not owner, permission denied
ENOENT No such file or directory
ESRCH No such process or table entry
EINTR Interrupted system call
EIO I/O error
ENXIO No such device or address
E2BIG Argument list too long
ENOEXEC Exec format error
EBADF Bad file descriptor
ECHILD No children
EAGAIN No more processes
ENOMEM Insufficient user memory
EACCES Permission denied
EFAULT Bad address