Issue a batch request to write a message in an output file of a batch job.
Message Job batch request is generated and sent to the server over the connection
which is the return value of pbs_connect().
identifies the job to which the message is to be sent;
it is specified in the form:
indicates the file or files to which the message string is to be written.
The following values are defined in pbs_ifl.h:
#define MSG_ERR 2
directs the message to the standard error stream of the job.
#define MSG_OUT 1
directs the message to the standard output stream of the job.
is the message string to be written.
is reserved for implementation defined extensions.
It is not
currently used by this function.